A light source is flashing on and off with a frequency of 1 Hz.If you were to run really fast (say 80% the speed of light),with your direction of motion perpendicular to the direction of the light,you would observe the frequency of the flashing to
A)decrease.
B)increase.
C)remain the same.

Question

A light source is flashing on and off with a frequency of 1 Hz.If you were to run really fast (say 80% the speed of light),with your direction of motion perpendicular to the direction of the light,you would observe the frequency of the flashing to 
A)decrease. 
B)increase. 
C)remain the same.

Quizplus · Accepted Answer

The Answer of A light source is flashing on and off with a frequency of 1 Hz.If you were to run really fast (say 80% the speed of light),with your direction of motion perpendicular to the direction of the light,you would observe the frequency of the flashing to 
A)decrease. 
B)increase. 
C)remain the same.

A Light Source Is Flashing on and Off with a Frequency