Advertisements
Advertisements
Question
The correct statement is :
Options
Sound and light both require medium for propagation.
Sound can travel in vacuum, but light can not
Sound needs medium, but light does not need medium for its propagation.
Sound and light both can travel in vacuum.
Advertisements
Solution
The correct statement is : Sound needs medium, but light does not need medium for its propagation.
APPEARS IN
RELATED QUESTIONS
Describe a simple experiment which demonstrates that the sound produced by a tuning fork is due to vibrations of its arms.
Explain with an example, the propagation of sound in a medium.
Explain the terms crest and trough in relation to a transverse wave.
Describe an experiment to show that in wave motion, only energy is transferred, but particles of medium do not move.
How does the speed of sound change with change in (i) amplitude and (ii) wavelength, of sound wave?
A longitudinal wave travels at a speed of 0.3 m s-1 and the frequency of wave is 20 Hz. Find the separation between two consecutive compressions.
Compare approximately the speed of sound in air and steel.
How are sound waves produced? How are sound waves transmitted from one place to the other?
How will the following factors affect the speed of sound in air:
Wind.
State three important uses of echolocation.
