If you are observing a light source moving very rapidly towards you, the Doppler effect predicts that the light will be
A) redshifted.
B) blueshifted.
C) bent.
D) transmitted.
E) radiated.

Question

Quizplus · Accepted Answer

The Doppler effect predicts that when a light source is moving towards an observer, the wavelength of the light is compressed, resulting in a shift towards the blue end of the visible spectrum. This is known as blueshift. Therefore, the best choice is B - blueshifted.

If You Are Observing a Light Source Moving Very Rapidly