EASY
9th CBSE
IMPORTANT
Earn 100

Why are sound waves known as mechanical waves?

Important Questions on Sound

EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 3
Will you be able to talk with your friend on the moon? Explain.
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 4
What do you understand by the term wave motion?
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 1
Explain how sound is produced by a tuning fork.
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 2
What is transferred by a wave motion, matter or energy? Support your answer by an example or experiment.
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 3
Describe briefly an experiment to prove that vibrating bodies produce sound.
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 4
What do you understand by the terms, (a) compression, (b) rarefaction as applied to the longitudinal waves?
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 1
Why do we hear the sound produced by the humming bees while the sound of vibrations of pendulum is not heard?
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 2
How do the following parameters change in, (a) compression, (b) rarefaction when a longitudinal wave propagates in the air? (i) pressure, (ii) density, (iii) volume, (iv) mass.