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Q

I have a doubt, kindly clarify. Which one of the following statement is true

Which one of the following statement is true

  • Option 1)

    Both light and sound waves in air are longitudinal

  • Option 2)

    both light and sound waves can travel in vacuum

  • Option 3)

    Both light and sound waves in air are transverse

  • Option 4)

    The sound waves in air are longitudinal while light waves are transverse

 
Answers (2)
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S subam

Light waves are electromagnetic waves. Light waves are transverse in nature and do not require a medium to travel , hence they can travel in vacuum . Sound waves are longitudinal waves and require a medium to travel. They do not travel in vacuum.

 

Longitudinal Waves -

It is kind of wave motion in which the individual particle of a medium execute periodic motion about their mean position along the direction of propagation of wave

- wherein

 

 

 


Option 1)

Both light and sound waves in air are longitudinal

This is incorrect.

Option 2)

both light and sound waves can travel in vacuum

This is incorrect.

Option 3)

Both light and sound waves in air are transverse

This is incorrect.

Option 4)

The sound waves in air are longitudinal while light waves are transverse

This is correct.

S subam

Light waves are electromagnetic waves. Light waves are transverse in nature and do not require a medium to travel , hence they can travel in vacuum . Sound waves are longitudinal waves and require a medium to travel. They do not travel in vacuum.

 

Longitudinal Waves -

It is kind of wave motion in which the individual particle of a medium execute periodic motion about their mean position along the direction of propagation of wave

- wherein