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प्रश्न
The correct statement is :
पर्याय
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.
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उत्तर
The correct statement is : Sound needs medium, but light does not need medium for its propagation.
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संबंधित प्रश्न
There is no atmosphere on moon. Can you hear each other on the moon's surface?
Name the two kinds of waves in form of which sound travels in a medium.
Describe an experiment to show that in wave motion, only energy is transferred, but particles of medium do not move.
How is the frequency of a wave related to its time period?
How does the following factor affect, if at all, the speed of sound in air:
Frequency of sound
Complete the following sentence :
A longitudinal wave is composed of compression and ____________.
Complete the following sentence :
A transverse wave is composed of crest and ____________.
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.
Select the correct option:
The number of oscillations passing through a point in unit time is called:
Is the speed of sound different in different media?
