Physics
The echo will be distinctly heard if distance is at least ________?
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The mass of Platinum cylinder kept near Paris is________?
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Mass of sun is________?
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Reflecting mirrors in laser is used to______________?
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Atom bomb is based on the principle of:
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As the temperature of black body is raised the wavelength corresponding to maximum intensity________________?
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For the successful operation of Heat engine which condition should be met ?
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The unit for measuring intensity of noise is called:
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Hydrogen atom does not emit X-rays because _________________?
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