Question

According to the Doppler effect, what will happen to the pitch when a car with a blowing horn is approaching?

O It will increase.
O It will decrease.
-O It will stay the same.

Answer 1

It will increase

Answer 2

Compared to the emitted frequency, the received frequency is higher during the approach, identical at the instant of passing by, and lower during the recession.

Step-by-step explanation: