The Doppler Effect Means That the Motion of a Object

question 24

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.

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