EXERCISE
V K Sally Physics Solutions for EXERCISE
Simple step-by-step solutions to EXERCISE questions of Sound from Core Science Physics For Class 9. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from EXERCISE with Hints & Solutions
An instrument commonly used in the laboratory to produce a sound of some particular frequency is _____.
What do you understand by the term wave motion?
Explain how sound is produced by a tuning fork.
What is transferred by a wave motion, matter or energy? Support your answer by an example or experiment.
Describe briefly an experiment to prove that vibrating bodies produce sound.
What do you understand by the terms, (a) compression, (b) rarefaction as applied to the longitudinal waves?
Why do we hear the sound produced by the humming bees while the sound of vibrations of pendulum is not heard?
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.
