Answer to Question #124809 in Optics for Alale

Question #124809

A police officer's stationary radar device indicates that the frequency of the radar wave reflected from an automobile is less than the frequency emitted by the radar device. What is the direction of motion of the automobile with respect to the police officer?


1
Expert's answer
2020-07-01T15:41:57-0400

The automobile is moving away from the police officer.

Reason: Due to the direct consequence of Doppler's effect .


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