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Light can tra...

Question

Light can travel in vacuum but sound cannot because

A

speed of sound is very smaller than speed of light

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B

light waves are electromagnetic in nature

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C

sound waves are electromagnetic in nature

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D

speed of light is very high

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Solution

The correct option is B light waves are electromagnetic in nature
Light is an electromagnetic wave, hence it does not require a medium to propagate. On the other hand sound wave is a mechanical wave and requires a medium to propagate.

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Similar questions

Q. Light can travel in vacuum but not sound because

Q. Light can travel in vacuum but sound cannot because

The correct statement is :

(a) Sound and light both require medium for propagation

(b) Sound can travel in vacuum, but light can not

(c) Sound needs medium, but light does not need medium for its propagation

(d) Sound and light both can travel in vacuum.

Similar to sound, light can not travel in a vacuum.

Q. Assertion :Sound waves cannot travel in vacuum but light can travel in vacuum. Reason: Sound waves are longitudinal waves and they cannot be polarised but electromagnetic waves are transverse and they can be polarised.

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