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A van is moving with a speed of 3ms^(-1)...

A van is moving with a speed of `3ms^(-1)` towards a large wall. A person standing on the line of motion of the van observes the van to be moving away from him. The horm of the van is now blown. The frequency of the sound produced by the horn is 600 Hz. what is
(i) The frequency of sound heard by the person for the sound produced directly by the horn?
(ii) The freuquency of sound reflected by the wall.
(iii) The baat frequency heard by the driver. the speed of sound in air is `330ms^(-1)?`

Text Solution

AI Generated Solution

To solve the problem step by step, we will use the Doppler effect for sound. The Doppler effect describes the change in frequency of a wave in relation to an observer moving relative to the source of the wave. ### Given: - Speed of the van (source, \( V_s \)) = 3 m/s (towards the wall) - Frequency of the horn (\( f_0 \)) = 600 Hz - Speed of sound in air (\( V \)) = 330 m/s - The observer (person) is stationary. ...
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