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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
Name the two kinds of waves in form of which sound travels in a medium.
How does the speed of sound change with change in (i) amplitude and (ii) wavelength, of sound wave?
How does the following factor affect, if at all, the speed of sound in air:
Moisture in air
Complete the following sentence :
A longitudinal wave is composed of compression and ____________.
The time period of a simple pendulum is 2 s. Find its frequency.
Select the correct option:
The number of oscillations passing through a point in unit time is called:
State the main factors on which the speed of sound in a medium depends.
Is the speed of sound different in different media?
How will the following factors affect the speed of sound in air:
Temperature of air.
State three important uses of echolocation.
