As you recede from a blinking light source,the frequency of its blinking that you observe
A)increases.
B)decreases.
C)stays the same.

Question

Quizplus · Accepted Answer

This phenomenon is known as the Doppler effect. As you move away from the blinking light source, the distance between you and the source increases, causing the wavelength of the light waves to stretch, resulting in a decrease in frequency, thus the blinking rate appears to decrease.

As You Recede from a Blinking Light Source,the Frequency of Its