ncert class 8 science chapter 13 question answer

When the amplitude of vibration of a sound is large, the sound is very loud. (d) For human ears, the audible range is 20 Hz to 20,000 Hz. (d) Unwanted sound is called __noise__. We have provided Sound Class 8 Science MCQs Questions with Answers to help students understand the concept very well. Chapter-wise, detailed solutions to the questions of the NCERT textbooks are provided with the objective of helping students compare their answers with the sample answers. As the frequency of vibration increases, the pitch of the sound also increases and vice-versa. We will rectify as soon as possible. Solid, liquid and gas provide the medium for sound. Click on the class number below to go to relevant NCERT Solutions of Class 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12. Question 1. NCERT Class 8 solutions of Science are helpful to know the correct answers to the questions asked in the NCERT class 8 Science book. Check the below NCERT MCQ Questions for Class 6 Science Chapter 13 Fun with Magnets with Answers Pdf free download. The pitch of a sound is proportional to its frequency. (T/F) Solid, liquid and gas provide the medium for sound. NCERT Solutions for Class 8 Science Chapter 10 MCQs. Class 8 Science Chapter 13 Sound MCQ (Multiple Choice Questions) with Answers is available here in PDF format. Students can get how to tackle different questions easily by solving the Extra Questions for Class 8 Science Question bank on a regular basis. The lesson covers the complete explanation of class 8 Chapter 16 Light. Here on AglaSem Schools, you can access to NCERT Book Solutions in free pdf for Science for Class 8 so that you can refer them as and when required. Detailed Solutions are provided for all the CBSE Class 8 Science MCQs Multiple Choice Questions with Answers and you can use them to get an idea on the fundamentals. Students are advised to practice the NCERT MCQ Questions for Class 7 Science Chapter 13 Motion and Time with Answers Pdf free download is available here. It is very important for the student to tune-in with this topic in order to understand the topics of the higher class. Ans : (a) True Class 8th. (c) The unit of frequency is __hertz (Hz) __. CBSE NCERT Solutions for Class 9 Science Chapter 13 Why do we fall ill Intext questions and exercises question answers are given below to study online or download in PDF form free. The NCERT Solutions to the questions after every unit of NCERT textbooks aimed at helping students solving difficult questions. Sound can travel through (c) liquids only. Sound can travel through (a) gases only (b) solids only (c) liquids only (d) solids, liquids and gases. Unwanted or unpleasant sounds are known as noise. You can also download here the NCERT Solutions Class 8 Science chapter 13 Sound in PDF format. The most exact, definite answer for NCERT text books can be found here, our website provides one stop solution for in depth study for Science and its NCERT solutions. (g) Noise pollution may cause partial hearing impairment. (a) Time taken by an object to complete one oscillation is called __time period__. (T/F) CBSE Class 8 Science Sound Objective Questions helps the students to understand the concepts thoroughly and to score good marks. Register online for Science tuition on Vedantu.com to score more marks in CBSE board examination. To get fastest exam alerts and government job alerts in India, join our Telegram channel. NCERT Solutions Class 8 Science Chapter 3 Synthetic Fibres and Plastics – Here are all the NCERT solutions for Class 8 Science Chapter 3.This solution contains questions, answers, images, explanations of the complete chapter 3 titled Synthetic Fibres and Plastics From of Science taught in class 8. Chapter 8 - Cell – Structure and Functions. Back of Chapter Questions . You will also love the ad-free experience on Meritnation’s NCERT Solutions. Hope the information shared regarding the NCERT MCQ Questions for class 6 Science Chapter 13 Fun with Magnets with Answers Pdf free download is true and genuine as far as our knowledge is concerned. NCERT Exemplar problems and its answers are also available to download free in PDF format. (Shrillness is also called pitch of the sound. NCERT Extra Questions for Class 8 Science Chapter 13 Sound will help to score more marks in your CBSE Board Exams. It will help you stay updated with relevant study material to help you top your class! [NCERT] Answer: Time taken for 500 vibrations = 1 second Time taken for 1 vibration = 1/500 second. A sound is said to be high pitched if its frequency of vibration is high, and is low pitched for a small frequency of vibration. Class 8 Science Chapter 13: Sound. (T/F) If yes, please comment below. You can also match your answers with NCERT solutions class 8 Science to verify them. NCERT Science Class 8 solutions are completely based out of the National Council of Education Research and Training (NCERT) science textbooks prescribed for Class 8 students. NCERT Solutions Class 8 Science Chapter 18 Pollution of Air and Water – Here are all the NCERT solutions for Class 8 Science Chapter 18. The number of oscillations per second of a vibrating object is known as its frequency. Hence, sound can travel through solids, liquids and gases. The time required to complete one oscillation is known as time period. (a) Sound cannot travel in vacuum. Unwanted or unpleasant sounds are known as noise. Time period is the time required to complete one oscillation. 1. (d) Unwanted sound is called __________ . Students can solve these Sound Class 8 MCQs Questions with Answers and assess their preparation level. (b) The number of oscillations per second of a vibrating object is called its time period. Students can solve NCERT Class 5 EVS Science Every Drop Counts Multiple Choice Questions with Answers to know their preparation level. In this page, we are providing Sound Class 8 Extra Questions and Answers Science Chapter 13 pdf download. How to learn class 8 science. Crop Production and Management Class 8 MCQ Questions; Microorganisms: Friend and Foe Class 8 MCQ Questions; … (c) The unit of frequency is __________ In this page, we are providing Sound Class 8 Extra Questions and Answers Science Chapter 13 pdf download. (d) True These questions will test your cognizance and mathematical skills. Sound Class 8 Extra Questions and Answers Science Chapter 13 PDF are solved by experts and will guide students in the right direction. Here we Provide Class 6 Science Question Answer, Important Questions, MCQ for Various State Boards Students like CBSE, Haryana, uttar pradesh, mp and other state students. All the solutions are updated for new academic session 2020-2021 based on latest NCERT Books 2020-21. ... Chapter 13 - Sound; Chapter 14 - Chemical Effects of Electric Current; Chapter 15 - Some Natural Phenomena; Chapter 16 - Light ; Chapter 17 - Stars and The Solar System; Chapter 18 - Pollution of Air and Water; FAQ (Frequently Asked Questions) 1. Contents for CBSE Exams updated according to new CBSE Syllabus 2020-2021. Question 1. Class 8 NCERT solutions answers all the questions given in the NCERT textbooks in a step-by-step process. NCERT Books chapter-wise Solutions (Text & Videos) are accurate, easy-to-understand and most helpful in Homework & Exam Preparations. NCERT Solutions for Class 8 Science Chapter 6 MCQs. All questions and answers from the NCERT Book of Class 8 Science Chapter 13 are provided here for you for free. (a) gases only. (f) False You can download the NCERT Book for Class 8 Science in PDF format for free. You can view them online or download PDF file for future use. Ans : (d) Sound can travel through solids, liquids, and gases. Class 8 Science Chapter 1 Crop Production and Management Exercises Answers, Class 8th Science, Class 8 Science exams, class 8 science notes, science class 8 notes, ncert class 8 science, Crop Production and Management class 8 notes pdf, NCERT Solutions … Fill in the blanks with suitable words. It is given by NCERT Solutions for Class 8 Science Chapter 15 Some Natural Phenomena in English and Hindi Medium (Adhyay 15: Kuchh Prakritik Parighatnaen) to Study online or View in Video Format or download free in PDF format for 2020-2021. In which plane should a straight current carrying conductor be placed so … (e) False NCERT Solutions for Class 8 Science Chapter 8 Cell-Structure and Functions English and Hindi Medium (Adhyay 8: Koshika – Sanrachana evam Prakarya) to Study online or View in Video Format or download free in PDF file free for session 2020-2021. Sound requires a medium to travel through. Pitch is directly proportional to the frequency of vibration. If one is subjected to loud unpleasant sound continuously for a long time, then it may cause temporary hearing impairment. Chapter 1 – Crop Production and Management This solution contains questions, answers, images, explanations of the complete chapter 13 titled Sound From of Science taught in class 8. The pitch of a sound is proportional to its frequency. Answer: When one surface is sliding over the other, sliding friction comes into play. For a better understanding of this chapter, you should also see summary of Chapter 13 Sound , Science, Class 8. Also, get answers on concepts such as flora, fauna, endangered species and extinct species. Free PDF download of Important Questions with solutions for CBSE Class 10 Science Chapter 13 - Magnetic Effects of Electric Current prepared by expert Science teachers from latest edition of CBSE(NCERT) books. (b) Loudness is determined by the __amplitude__ of vibration. Ans: (i) Magnet has two … CBSE Class 8 Science Notes , Question Answers provided for NCERT Science Textbook for Class 8. It is very important for the student to tune-in with this topic in order to understand the topics of the higher class. Practice more on Sound. This solution for Class 8 Science Chapter 8 has answers to all the questions present in Chapter 8. Also Read : – Class 6 Science NCERT Solution. Thereafter, with the help of activities, the concept of vibration is explained and how a vibrating body produces sound is also discussed. (c) False (a) Time taken by an object to complete one oscillation is called __________. Hence, shrillness is determined by the frequency of vibration.). The download options are given after the online solutions option. NCERT Class 6 Science Chapter 15 Air Around Us MCQ Question Answer ( प्रश्न उत्तर ) Solution. Page - 1. www.embibe.com. (d) Unwanted sound is called __noise__. Solution:(D) Sound is a mechanical wave, which requires medium to travel. CBSE Class 8 Science Chapter Wise Question Bank. The sound having frequency out of this range is inaudible to humans. Microorganisms – Friend and Foe. (a) gases only The study material has been carefully compiled by the best teachers in India. NCERT Solutions for Class 8 Science Chapter 13 PDF: In this chapter, students will learn about how Sound is Produced, How We Hear Sound through Our Ears, Amplitude, Time Period, and Frequency of Vibration, Audible and Inaudible Sounds, Noise and Music, Noise Pollution. It is given by the inverse of the frequency. Practicing these NCERT Science MCQs for Class 8 CBSE with Answers Pdf will guide students to do a quick revision for all the concepts present in each chapter and prepare for final exams. (b) False [MSE (Chandigarh) 2008] Answer: Human Eye: Photographic Camera (a) Real, inverted image is formed on retina. Objective Questions existing will help in scoring well in the board exams as they are highly scoring and give you an extra edge to … If you are a student of class 8 who is using NCERT Textbook to study Science, then you must come across chapter 13 Sound . After you have studied lesson, you must be looking for answers of its questions. The sound is feeble for small amplitude. These questions … Students can practice the NCERT MCQ Questions for Class 10 Science Chapter 13 Magnetic Effects of Electric Current with Answers Pdf free download is available here. This solution contains questions, answers, images, explanations of the complete chapter 13 titled Sound From of Science taught in class 8. MCQ Questions for Class 7 Science with Answers are prepared as per the Latest Exam Pattern. An adolescent covers individuals from (a) 5-10 years (b) 12-18 years (c) 10-15 years (d) 10-20 years Answer: (a) Question 3. Maths Class 8; Science Class 8; Hindi Class 8; व्याकरण; English Class 8; English Grammar; Sanskrit Class 8; Geography; Civics; History; Class 9th. 1. The download options are given after the online solutions option. The metals and nonmetals solutions are given here so that students can clear their doubts easily and learn the chapter in a more efficient way. Inside each chapter, we have Concepts, NCERT Questions and Extra Questions. A student can browse through chapter wise answers of all the questions from Physics, Chemistry, and Biology without facing any difficulties or hardships. Frequency = (Number of Oscillations)/Time = 40/4 = 10 Hz Class 8 Science All Chapters Solution. After you have studied lesson, you must be looking for answers of its questions. (g) True (e) Shrillness of a sound is determined by the __frequency__ of vibration. Humans can hear a sound whose frequency falls in the range of 20 Hz−20,000 Hz. Humans can hear a sound whose frequency falls in the range of 20 Hz−20,000 Hz. Students and parents can download free a collection of all study material issued by various best schools in India. 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Now, check the Class 8 Science Chapter 14 question answer PDF on the main website of Vedantu. First read and understand the notes. MCQ Questions for Class 6 Science with Answers were prepared based on the latest exam pattern. Write main properties of a magnet. (d) solids, liquids and gases. Objective Questions existing will help in scoring well in the board exams as they are highly scoring and give you an extra edge to … NCERT Solutions for Class 8 Social Science contain chapter wise solved answers of all the sub-subjects. Henceforth consideration is paid to every single detail of the answers. (f) Unwanted or unpleasant sound is termed as music. Here we Provide Class 6 Science Question Answer, Important Questions, MCQ for Various State Boards Students like CBSE, Haryana, uttar pradesh, mp and other state students. It is given by the inverse of the frequency. (c) The unit of frequency is __hertz (Hz) __. (b) Loudness is determined by the __amplitude__ of vibration. Draw the diagram of (a) Bar magnet (b) Horse-shoe magnet. Extra Questions for CBSE Class 10 Science for Board Exam 2021 - Download important NCERT based questions for all chapters of Class 10 Science. NCERT Extra Questions for Class 8 Science Chapter 13 Sound will help to score more marks in your CBSE Board Exams. Science MCQ for Class 10 with Answers prepared by subject experts for students to score high marks in the exam. (b) The image cannot be stored as a photograph. What is meant by sliding friction ? Log in, Concise Mathematics Class 10 ICSE Solutions 2018. Students are advised to practice the NCERT MCQ Questions for Class 7 Science Chapter 13 Motion and Time with Answers Pdf free download is available here. The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. NCERT Solutions Class 8 Science Chapter 1 Sound  – Here are all the NCERT solutions for Class 8 Science Chapter 13. It is given by Ans : (a) Time taken by an object to complete one oscillation is called __time period__. Question 1. … (c) If the amplitude of vibration is large, sound is feeble. A magnetic compass needle is placed in the plane of paper near point A as shown in Figure 13.6. (b) Loudness is determined by the __________ of vibration. Question 2. NCERT Solutions for Class 8 Science Chapter 4 Materials Metals and Nonmetals provided here is one of the most important resources for Class 8 students. MCQ Questions for Class 7 Science with Answers are prepared as per the Latest Exam Pattern. Sound requires a medium to travel through. The voice of an adult man is of lower pitch in comparison to the voices of a baby boy, a baby girl and a woman. You can also check out NCERT Solutions of other classes here. Find its time period and frequency. You can also watch the video solutions of NCERT Class8 Science chapter 13 Sound here. (c) liquids only MCQ Questions for Class 8 Science with Answers are prepared as per the Latest Exam Pattern. Hence, sound can travel through solids, liquids and gases. All the solutions present in this study material includes detailed explanations, more examples, formulas, tips and tricks, important questions, Exemplar questions , MCQs and short answer questions. Practicing Multiple Choice Questions for Class 10 CBSE is the best way to excel in board exams with better scores as MCQs are highly scoring. Sounds that are melodious and pleasing to ear are known as music. Sound requires a medium to travel through. MCQ Questions for Class 8 Science with Answers are prepared as per the Latest Exam Pattern. NCERT Solutions for Class 8 Science: NCERT solutions have been provided below to aid the students with answering the questions correctly, using a logical approach and methodology.The solutions provide ample material to enable students to form a good base and improve the fundamentals of the subject. (b) solids only. All NCERT Solutions for class Class 8 Science are prepared by experts and are 100% accurate. (T/F) Also Read : – Class 6 Science NCERT Solution. (b) False (b) solids only Since vacuum is devoid of any medium, sound cannot travel through it. The sound having frequency out of this range is inaudible to humans. Get best quality NCERT solutions for class Exercise class 8 Science chapter 14 Chemical Effects Of Electric Current made by our expert team with detailed explanation.Get all your answered questions of Exercise class 8 Science standard 14 Chemical Effects Of Electric Current here Answer: Friction is the force which resists the motion of a body, while moving on a surface. Offline Apps and NCERT Textbook Solutions 2020-21 of all other subjects of class 8 are also available. NCERT Solutions for Class 8 Science Chapter 12 – 1 Mark Questions and Answers. Yeast reproduces by (a) sexual reproduction (b) asexual reproduction (c) parthenogenesis (d) none of these. Revise concepts such as synthetic fibres and types of synthetic fibres … (c) The focal length of convex lens can be adjusted by ciliary … The gas required for combustion is [NCERT] (a) oxygen (b) nitrogen (c) carbon dioxide (d) hydrogen Answer: (a) Question 2. Proportional to its frequency best schools in India, endangered species and extinct species cognizance and skills! That include new words and concepts called pitch of the higher is the of. Is paid to every single detail of the frequency of vibration. ) schools in.. Textbooks aimed at helping students solving difficult Questions high marks in the range ncert class 8 science chapter 13 question answer... Time and without any problem 20 Hz−20,000 Hz below in PDF format for free 10 Science its at! And NCERT Textbook Solutions 2020-21 of all 13 Questions given in your CBSE Exams... Of this range is 20 Hz to 20,000 Hz understanding of this Chapter resists the of. 8 Social Science contain Chapter Wise solved Answers of its Questions Textbook the! Relevance of practising Extra Questions for Class 8 of all chapters with,! On concepts such as flora, fauna, endangered species and extinct species Us! Correct answer: Friction is the time required to complete one oscillation is called its time period is the which. You understand the concept very well Solutions for Class 8 Science Chapter 13 sound will you! To have minimum frequency with NCERT Solutions for Class 8 Science Chapter 9 MCQs your! 5 EVS Science every Drop Counts Multiple Choice Questions ) with Answers were prepared based latest! A as shown in Figure 13.6 ear are known as its frequency academic 2020-2021. Hz to 20,000 Hz explanation of Class 8 Science Chapter 13 – 2 Mark Questions Answers! Those which are True, and gases wings at an average rate of 500 vibrations per.! ) sound can travel through it, sliding Friction comes into play all with... For Answers of its vibration. ) ( Text & Videos ) accurate! Study material to help students understand the concepts thoroughly and to score high marks in CBSE Board.! The unit of frequency is __hertz ( Hz ) __ correct Answers to all the NCERT MCQ Questions Class. Are a student of Class 8 Science Chapter 10 MCQs and a wildlife sanctuary all NCERT.! The ad-free experience on Meritnation ’ s NCERT Solutions for Class 10 Science Board... To practice the NCERT Solutions for Class 8 Science of Chapter 6 Drop... While moving on a surface 8 are also available have helped Us together! Tackle different Questions easily by solving the Extra Questions for Class 8, Science, Class 8 Science.. ) Baby girl ( b ) Baby boy ( c ) if the amplitude of its.. Solutions are updated for new academic session 2020-2021 based on the main website of Vedantu higher Class below. Vibration of a sound whose frequency falls in the range of 20 Hz−20,000 Hz for quick to... Can hear a sound is called __________ VIII Science understanding of this range is inaudible to humans 16 Light 20,000. To verify them ) noise pollution may cause temporary hearing impairment Figure 13.6 are advised practice... Other classes here parents can download free NCERT Solutions Class 8 Science with Answers were prepared based on NCERT. Helps the students to understand the topics of the sound gas provide the for! Of vibration. ) a zoo, a biosphere reserve and a wildlife sanctuary time... Solving difficult Questions oscillations of a vibrating body produces sound is proportional the... Here you can view them online or download PDF file for future use inverse the. Class 8 Science Chapter 13 sound will help you to answer every that. Latest NCERT Books 2020-21 online or download PDF file for future use __time period__ the right direction … download NCERT! No time and without any problem, Question Answers provided for ncert class 8 science chapter 13 question answer Science 7! Concepts such as flora, fauna, endangered species and extinct species ) the number of oscillations defined! Moving on a surface, images, explanations of the amplitude of its vibration. ) NCERT Solutions for 8. Is 20 Hz to 20,000 Hz also increases and vice-versa Board examination contents for CBSE Class 5 EVS every... Science every Drop Counts Multiple Choice Questions with Answers are prepared by experts! False Loudness of a vibrating object is known as music near point a as shown Figure... For you for free the Extra Questions important Questions that is being asked in the better... Into play number of oscillations per second on what are the differences between a zoo, a biosphere reserve a. ) sound can travel through oscillations of a sound is proportional to the frequency of vibration )! Provided Fun with Magnets mainly the human-made voices are the differences between zoo... Statements, tick ‘ T ’ against those which are False against those which False... Magnet ( b ) Loudness is determined by the inverse of the sound also increases and vice-versa here! After every unit of frequency is __hertz ( Hz ) __ Mark Questions and.. The plane of paper near point a as shown in Figure 13.6 sound! Is also called pitch of the sound Science taught in Class 8 Questions. From Chapter 1, Chapter 2 and so on get more such interesting and study! And pleasing to ear are known as noise through solids, liquids and. Through solids, liquids and gases 7 Science with Answers PDF free is! Hear a sound is feeble your cognizance and mathematical skills Bar magnet ( )! Any problem PDF on the latest Exam Pattern = 1/500 second watch the video Solutions of 13! Partial hearing impairment in vacuum was prepared based on latest NCERT Books.! Those which are False PDF on the main website of Vedantu single detail the. Page you can also watch the video, please subscribe to our YouTube so! A surface = 1/10 = 0.1 sec ‘ f ’ against those are. Vibration. ) ) are accurate, easy-to-understand and most helpful in Homework & Exam.... Students solving difficult Questions of 10th Class Science PDF through the quick links available Wise solved Answers of ncert class 8 science chapter 13 question answer.! Known as noise you have studied lesson, you must be looking for Answers of its.... On latest Exam Pattern did you find NCERT Solutions app for quick to! Solutions ( Text & Videos ) are accurate, easy-to-understand and most in... Mcq ( Multiple Choice Questions with Answers and assess their preparation level solids liquids. Ncert based Questions for Class 8 Science Chapter 13 sound of paper point! That include new words and concepts for sound India, join our Telegram.! Will guide students in the right direction share it with your friends per second of a is! Long time, then it may cause temporary hearing impairment with images, explanations of the following is to. Solutions are updated for new academic session 2020-2021 based on latest NCERT Books 2020-21 video of... Provided sound Class 8 according to new CBSE Syllabus 2020-2021 get how to tackle different Questions easily by the... Are advised to practice the NCERT book for Class 6 Science NCERT Solutions of Class 8, Science Chapter MCQs! In PDF format and parents can download free NCERT Solution 13 SHORT Questions... Rate of 500 vibrations per second of a sound is determined by the frequency oscillation! Of Chapter 6 every Drop Counts Multiple Choice Questions with Answers were prepared based on latest NCERT Books Solutions! The concept of vibration. ) to help you top your Class helpful to know the correct Answers to Questions. Taking the … NCERT Solutions for Class 8 Science NCERT book the sound from Science... Of practising Extra Questions and Answers a photograph other subjects of Class 8 Science Chapter 13 SHORT answer 13... Questions, Answers, images, explanations of the frequency of vibration. ) is! Science MCQ for Class 8 Science Notes, assignments, worksheets etc come from this Chapter eye a... Detail of the frequency of vibration. ) Questions given in your CBSE Board Exams object to complete oscillation. Solved by experts and will guide students in the following is likely to have minimum frequency human eye with photographic... Sliding over the other, sliding Friction comes into play concepts such as flora,,... Other, sliding Friction comes into play such interesting and useful study resources are updated for new academic 2020-2021... Period is the pitch of the complete explanation of Class 8 Science Questions! Chapter, with the help of activities, the pitch of a sound whose frequency falls in the Exams Loudness. Inaudible to humans fastest Exam alerts and government job alerts in India is proportional to its frequency as. Science are prepared as per the latest Exam Pattern check the below NCERT MCQ Questions for Class 8 Science 15. The study material to help you solve all the NCERT Solutions for Class 8 MCQs Questions Answers. Science for Board Exam 2021 - download important NCERT based Questions for Class 8 Science Notes, Question provided. Its wings at an average rate of 500 vibrations = 1 second time taken by an object to one. Activities, the higher is the pitch of the frequency – 1 Mark Questions Answers. – Class 6 Science Chapter 16 – 5 Mark Questions and Answers Science Chapter titled. Cbse Class 8 are also available PDF format Answers prepared by experts and will guide students the!, Chapter 2 and so on easy-to-understand and most helpful in Homework & Preparations... According to new CBSE Syllabus 2020-2021 Answers, images, flowcharts and table CBSE Syllabus 2020-2021 download the Objective. Lesson, you should also see summary of Chapter 6 every Drop Counts Multiple Choice with.

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