MCQ - CBSE Class 9 Science Distinguish between loudness and intensity of sound. 10/03/2023 Ajit kumar 92 Views 0 Comments Read more
MCQ - CBSE Class 9 Science What are wavelength, frequency, time period and amplitude of a sound wave ? 10/03/2023 Ajit kumar 97 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Guess which sound has a higher pitch; guitar or car horn? 10/03/2023 Ajit kumar 97 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Which wave property determines (a) loudness, (b) pitch? 10/03/2023 Ajit kumar 84 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Suppose you and your friend are on the moon. Will you be able to hear any sound produced by your friend? 10/03/2023 Ajit kumar 78 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Why are sound waves called mechanical waves ? 10/03/2023 Ajit kumar 109 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Explain how sound is produced by your school bell. 10/03/2023 Ajit kumar 110 Views 0 Comments Read more
MCQ - CBSE Class 9 Science How does the sound produced by a vibrating object in a medium reach your ear ? 10/03/2023 Ajit kumar 87 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Multiple Choice Questions 10/03/2023 Ajit kumar 87 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Is it possible that an object is in the state of accelerated motion due to external force acting on it, but no work is being done by the force? Explain it with an example. 10/03/2023 Ajit kumar 82 Views 0 Comments Read more