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Why is it that the extent of the doppler effect on sound depends on whether, for example, you are moving towards the source or the source is moving towards you? Why does this not happen for light?

Why is it that the extent of the doppler effect on sound depends on whether, for example, you are moving towards the source or the source is moving towards you? Why does this not happen for light?

Grade:12

1 Answers

SAGAR SINGH - IIT DELHI
879 Points
11 years ago

Dear nitin,

It does happen for light (how do you think that cop knew how fast you were driving?). But since the speed of light is a lot faster than the speed of sound, you have to be moving a lot faster (or have sensitive equipment) to notice it.

 

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Sagar Singh

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