As a blinking light source approaching you gains speed,you see the frequency of flashes
A)increase.
B)decrease.
C)remain unchanged.
D)None of these.

Question

Quizplus · Accepted Answer

This is an example of the Doppler effect. As the light source approaches you, the waves of light get compressed, leading to a shorter wavelength and higher frequency, resulting in an increase in the frequency of flashes.

As a Blinking Light Source Approaching You Gains Speed,you See