Quiz Challenge

Doppler effect for light and sound

Subject physics
Grade grade-12
Questions 10
Time Estimate 30 mins

1 Preview Question

A car is moving towards a stationary observer while sounding its horn at 500 Hz. The observer hears a sound of 540 Hz. If the speed of sound is 340 m/s, what is the speed of the car?

  • A 22.2 m/s
  • B 25.0 m/s
  • C 27.2 m/s
  • D 30.0 m/s

*The correct answer is not shown in the preview.

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