A bus is moving towards a huge wall with a velocity of

PHYSICS · Subjective · CBSE · Physics · Waves · Waves

Problem

5 \text{ ms}^{-1}

. The driver sounds a horn of frequency 200 Hz. The frequency of the beats heard by a passenger of the bus will be..... Hz (Speed of sound in air =

342 \text{ ms}^{-1}

)