A blue 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 blue shift occurs when the wavelength of light emitted from a source appears to be shortened, resulting in a shift toward the blue end of the spectrum. This shift is caused by the source moving toward the observer, compressing the wavelengths of the light waves and increasing their frequency. Therefore, option A is the correct choice.

A Blue Shift for Light Indicates That the Light Source