A red shift for light indicates that the light source is moving
A)toward you.
B)away from you.
C)both of these
D)neither of these

Question

Quizplus · Accepted Answer

A red shift for light indicates that the wavelengths of the light have been stretched out, which occurs when the light source is moving away from the observer (Doppler effect). This is known as a red shift because longer wavelengths are more towards the red end of the spectrum. Therefore, the correct choice is B, away from you.

A Red Shift for Light Indicates That the Light Source