(e) Shrillness of a sound is determined by the __frequency__ of vibration. (c) liquids only (e) Shrillness of a sound is determined by the __frequency__ of vibration. You can also match your answers with NCERT solutions class 8 Science to verify them. Time period = 1/(Frequency of Oscillation) = 1/10 = 0.1 sec. NCERT Solutions for Class 8 Science Chapter 13 - Sound [FREE]. [NCERT] Answer: Time taken for 500 vibrations = 1 second Time taken for 1 vibration = 1/500 second. Time period is the time required to complete one oscillation. Sound can travel through The sound is feeble for small amplitude. Page Contents. Extra Questions for CBSE Class 10 Science for Board Exam 2021 - Download important NCERT based questions for all chapters of Class 10 Science. Class 8th. (c) False (d) A woman. Class- VIII-CBSE-Science Sound. Choose the correct answer. 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. Thereafter, with the help of activities, the concept of vibration is explained and how a vibrating body produces sound is also discussed. You can also watch the video solutions of NCERT Class8 Science chapter 13 Sound here. Humans cannot hear sounds of all frequencies. It is given by (g) Noise pollution may cause partial hearing impairment. MCQ Questions for Class 7 Science with Answers are prepared as per the Latest Exam Pattern. Loudness of a sound is proportional to the square of the amplitude of its vibration. Students can solve these Sound Class 8 MCQs Questions with Answers and assess their preparation level. MCQ Questions for Class 7 Science with Answers are prepared as per the Latest Exam Pattern. Class 8 Science Chapter 8 cell structure and functions is a very important topic as it is basic for all the biological studies. 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 To make you understand the chapter better, we have also summarized the Concepts in the chapter, with images, flowcharts and table. Class 8 Science Chapter 13: Sound. NCERT Extra Questions for Class 8 Science Chapter 13 Sound will help to score more marks in your CBSE Board Exams. Contents for CBSE Exams updated according to new CBSE Syllabus 2020-2021. NCERT Extra Questions for Class 8 Science Chapter 13 Sound will help to score more marks in your CBSE Board Exams. Write main properties of a magnet. It is given by (c) A man In the following statements, tick ‘T’ against those which are true, and ‘F’ against those which are false. Choose the correct answer: Sound can travel through. After you have studied lesson, you must be looking for answers of its questions. NCERT Exemplar problems and its answers are also available to download free in PDF format. NCERT Solutions Class 8 Science Chapter 1 Sound  – Here are all the NCERT solutions for Class 8 Science Chapter 13. The sound having frequency out of this range is inaudible to humans. (a) Time taken by an object to complete one oscillation is called __________. NCERT Class 6 Science Chapter 15 Air Around Us MCQ Question Answer ( प्रश्न उत्तर ) Solution. NCERT Solutions for Class 8 Science Chapter 16 – 5 Mark Questions and Answers. Get Science NCERT Solutions of all questions of Class 8 at teachoo. (c) The unit of frequency is __hertz (Hz) __. (e) Shrillness of a sound is determined by the __________ of vibration. Download free NCERT Solutions for class 6 Science Chapter 13Fun with Magnets. (c) The unit of frequency is __hertz (Hz) __. In which plane should a straight current carrying conductor be placed so … Unwanted or unpleasant sounds are known as noise. 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. Unwanted or unpleasant sounds are known as noise. Draw a diagram of a magnetic compass. A magnetic compass needle is placed in the plane of paper near point A as shown in Figure 13.6. Ans : (a) Time taken by an object to complete one oscillation is called __time period__. Chapter 8 - Cell – Structure and Functions. 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. Solved Question and Answers for NCERT Class VIII Science. Questions and Answers for NCERT Text Book of Class 8 Science. Choose the correct answer. NCERT Class 8 solutions of Science are helpful to know the correct answers to the questions asked in the NCERT class 8 Science book. You can also check out NCERT Solutions of other classes here. If you feel any information regarding CBSE class 6 Science Fun with Magnets MCQs Multiple Choice Questions with Answers is missing do reach us and we will look into it and add … NCERT Solutions for Class 8 Social Science, Latest NCERT Solutions for Class 8 – Maths, Science, English, Hindi, Social Science, NCERT Solutions for Class 8 English – Honeydew, It So Happen, NCERT Solutions for Class 8 Hindi – Vasant, Durva, Sanship Budhcharit, Bharat Ki Khoj, NCERT Solutions for Class 8 Maths – Latest Solutions, NCERT Solutions for Class 8 Science – Latest Solutions, NCERT Solutions for Class 8 Social Science – History, Civics, Geography, NCERT Solutions for Class 8 Science Chapter 12 Friction, Click here to buy NCERT Book for Class 8 Science. The lesson covers the complete explanation of class 8 Chapter 16 Light. How to learn class 8 science. Download the NCERT Solutions app for quick access to NCERT Solutions Class 8 Science Chapter 13 Sound. (e) False 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. The number of oscillations per second of a vibrating object is known as its frequency. The spurt in physical growth is evident in girls between [NCERT] (a) 11-13 years (b) 13-15 years (c) 15-17 years (d) 17-19 years Answer: (b) Question 2. Sound Class 8 Extra Questions and Answers Science Chapter 13 PDF are solved by experts and will guide students in the right direction. Practice more on Sound. (c) The unit of frequency is __________ Question 1. Hence, sound can travel through solids, liquids and gases. Define friction. MCQ Questions for Class 8 Science with Answers are prepared as per the Latest Exam Pattern. 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. Burning of hydrogen is an example of (a) slow combustion (b) rapid combustion (c) explosion (d) spontaneous combustion Answer: (c) Question 3. These questions will test your cognizance and mathematical skills. Microorganisms – Friend and Foe. to download NCERT Solutions for Class 8 Science chapter 13 Sound. Chapter 1 – Crop Production and Management The time required to complete one oscillation is known as time period. (d) Sound can travel through solids, liquids, and gases. What is meant by sliding friction ? Sounds that are melodious and pleasing to ear are known as music. (b) The image cannot be stored as a photograph. Sound requires a medium to travel through. 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. (e) The lower the frequency of vibration, the higher is the pitch. 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. The solutions on Shaalaa will help you solve all the NCERT Class 8 Science questions without any problems. What is the time period of the vibration ? 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. Humans can hear a sound whose frequency falls in the range of 20 Hz−20,000 Hz. Sound can travel through (a) gases only (b) solids only (c) liquids only (d) solids, liquids and gases. 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