Question bank/JEE Main/Physics

JEE MainPhysicsModerateSound wave

Sound of frequency 1000 Hz from a stationary source is reflected
from an object approaching the source at 30 m/s, back to a stationary
observer located at the source. The speed of sound in air is 330 m/s.
The frequency of the sound heard by the observer is

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Source: Grass-G / P-09 Physics paper 26 October.docx

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