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![[Post New]](/templates/default/images/icon_minipost_new.gif) 27 Jan 2008 10:04:13 IST
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A source emitting a sound of frequency f is placed at a large distance from an observer.The source starts moving towards the observer with a uniform acceleration a. Find the frequency heard by the observer corresponding to the wave emitted just after the source starts. The speed of sound in the medium is v.
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![[Post New]](/templates/default/images/icon_minipost_new.gif) 27 Jan 2008 13:41:37 IST
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Noone?
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![[Post New]](/templates/default/images/icon_minipost_new.gif) 27 Jan 2008 13:48:39 IST
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Required Frequency n = v+vo into v = v into v v - vs v-at = u into v = 2uv2 v - a.1/2v 2uv-a
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