GK
BIG BANG THEORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The motion of an object causes a change to the wavelength of light emitted by that object.
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -As an object moves away from us, the sound or light waves emitted by the object are stretched out, which makes them have a lower pitch and moves them towards the red end of the electromagnetic spectrum, where light has a longer wavelength. In the case of light waves, this is called redshift.
Detailed explanation-2: -The Doppler effect is the change in the observed frequency of an (electromagnetic) wave due to relative motion of the source and observer.
There is 1 question to complete.