Multiple Choice
The Doppler effect means that the motion of a object affects the light emitted from it.What result does the Doppler effect cause?
A) It shifts the wavelength of spectral lines.
B) It changes the speed of light emitted from the object.
C) It makes the object appear hotter.
D) It makes the object appear cooler.
Correct Answer:

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Correct Answer:
Verified
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