waves

Related Questions

• What should be the velocity of a sound source moving towards a stationary observer so that apparent frequency is double the actual frequency (Velocity of sound is $v$)

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• As a wave propagates

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• If the tension and diameter of a sonometer wire of fundamental frequency $n$ are doubled and density is halved then its fundamental frequency will become

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• A small source of sound moves on a circle as shown in the figure and an observer is standing on $O$. Let ${{n}_{1}},\ {{n}_{2}}$ and ${{n}_{3}}$be the frequencies heard when the source is at $A,\ B$ and $C$ respectively. Then

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• A source of sound is travelling with a velocity 40 km/hour towards observer and emits sound of frequency 2000 Hz. If velocity of sound is 1220 km/hour, then what is the apparent frequency heard by an observer

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