Physics
Mass of sun is________?
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The characteristic X-rays spectrum is due to_____________?
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Frequency is inverse of__________?
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Escape velocity of a rocket fired from the earth towards the moon is a velocity to get rid of the _______?
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The SI unit of pressure is __________.
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In a half-wave rectifier the r.m.s. value is________________?
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The S.I. unit of refractive index is _______?
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Quality of X-rays depends upon ____________ A-filament current B-accelerating voltage C-material of the target ?
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First book of Physics was written by__________?
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