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PHYSICS GALAXY - ASHISH ARORA-WAVES -Unsolved Numerical Problems for Preparation of NSE, INPhO & IPhO
- The velocity of sound in hydrogen is 1270 m s^(-1) at 0^(@)C and the f...
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- At what temperature is the velocity of sound in nitrogen equal to its ...
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- Calculate the velocity of sound in a mixture of two gases obtained by ...
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- Calculate the velocity of sound in a mixture of two gases obtained by ...
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- Calculate the frequency of a ntoe emitted by a wire 20cm in length whe...
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- In the spectrum of light of a luminous heavenly body the wavelength of...
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- A wire 50cm long vibrates 100 times per second .If the length is shor...
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- A sensitive microphone with its receiving surface turned towards a lon...
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- A tuning fork of frequency 341 Hz is vibrated just over a tube of len...
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- A man sets his watch by the noon-whistle of a factory at a distance of...
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- Two tuning frok when sounded together give 4 beats per second.One is i...
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- A bridges is placed under the string the of a monochord at a point ne...
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- A whistle emitting a sound of frequency 440 Hz is tied to a string of...
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- An under-water swimmer sends a sound signal to the surface. If it prod...
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- One end of a string of length 120 cm is tied to a peg and other is att...
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- The minimum intensity of audibility of a source is 10^(-12) "watt"//m...
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- A plane wave zeta= A cos (omega t-kx) propagates in the reference fram...
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- The intensity of a sound wave 20 m away from the sound source is 3 xx ...
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- A load of 20 kg is suspended by a steel wire as shown in figure-6.109....
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- A policemen blows a whistle of frequency 330 Hz as a car speeds and pa...
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