Question

An ordinary light bulb gives off visible white light. If you were moving toward it at nearly the speed of light, it would appear to be emitting X rays, while if you moving away from it at the same high speed, it would appear to be emitting radio waves. This is an example of what wave phenomenon

Answer 1

Doppler Shift

Step-by-step explanation:

Doppler shift is also known as Doppler effect. It is simply the change in frequency of light, caused by the relative motion of the source and the observer.