Question

The Doppler effect is used in:

A) Producing energy and predicting floods

B) Locating missing cell phones and growing plants

C) Identifying areas of rain and identifying speeding cars

D) Curing some illnesses and observing subatomic particles

Answer 1

The correct answer is C) Identifying areas of rain and identifying speeding cars 

 

Radars used in predicting rain and measuring speed make use of the Doppler effect. Waves from the radar bounce from an object and get reflected back to the source.