The pitch of the siren of a fire engine ...

The pitch of the siren of a fire engine increases as it approaches a boy standing at a bus stop.The phenomenon behind it, is due to ......

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A boy standing near a railway track found that the pitch of the siren of a train increases as it approaches him. State the phenomenon behind it.

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A boy is riding a bicycle with Its dynamo on when he Increases the speed the brightness of the bulb connected to the dynamo increases.State the law used to explain the above phenomenon.

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A sound travelling along a string is described by y=0.005 Sin (80.0 x-...
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A sound travelling along a string is described by y=0.005 Sin (80.0 x-...
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Where will a man hear a louder sound in the case of stationary wave (n...
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The equation for a wave is given below y= Asin(kx +omegat).Is ita trav...
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A transverse harmonic wave on a string is described by y(x,t)=3.0 sin ...
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A transverse harmonic wave on a string is described by y(x,t)=3.0 sin ...
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A transverse harmonic wave on a string is described by y(x,t)=3.0 sin ...
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A transverse harmonic wave on a string is described by y(x,t)=3.0 sin ...
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While conduting a resonance column experiment In the laboratory, you c...
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While conduting a resonance column experiment In the laboratory, you c...
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The pitch of the siren of a fire engine increases as it approaches a b...
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The pitch of the siren of a fire engine increases as it approaches a b...
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The pitch of the siren of a fire engine increases as it approaches a b...
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In resonance column experiment, we can hear maximum sound at a certain...
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While conduting a resonance column experiment In the laboratory, you c...
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While conduting a resonance column experiment In the laboratory, you c...
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A woman is traveling in a car at a speed of 25m/s. She is moving away ...
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A woman is traveling in a car at a speed of 25m/s. She is moving away ...
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A woman is traveling in a car at a speed of 25m/s. She is moving away ...
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A transverse harmonic wave on a string is described by y(x,t)=3.0 Sin ...
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