Physics
The echo will be distinctly heard if distance is at least ________?
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Minimum length of mirror to see full image is?
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A photon of wavelength 900nm behaves like a particle of mass______________?
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Mass-energy relation is outcome of____________?
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Mach is the unit of measurement relative to__________?
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The electric P.E of an electron in an orbit at a distance rn from the positive charge_____________?
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In which process all heat is converted into work ?
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Electric lines of force:
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The SI unit of temperature is:
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