MDCAT Physics MCQ #4008

A sound source moving away at 30 m/s emits 1000 Hz. Calculate observed frequency (speed of sound = 340 m/s).

MDCAT Physics MCQ #4008

  1. Question 1

    Q1. A sound source moving away at 30 m/s emits 1000 Hz. Calculate observed frequency (speed of sound = 340 m/s).

    • A) 923 Hz
    • B) 1085 Hz
    • C) 941 Hz
    • D) 1058 Hz

    Answer: 923 Hz

    Explanation: Use Doppler formula f' = f(v/(v + vs)). Option C uses numerator - vs.