Question

What is a Stationary Observer?

A) An observer who is moving in the opposite direction
B) Someone who is watching from outside a situation
C) A person moving with one of the objects in a situation

Answer 1

If the observer is stationary, the frequency received by the observer is the frequency emitted by the source: If the observer moves toward the source at a speed vo, more waves are intercepted per second and the frequency received by the observer goes up.

Answer 2

Answer:someone who is watching from an outside situation

Explanation: just did the quiz