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Which of these reaction is correct:
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Calculate the wave length in angstroms of the photon that is emitted when an electron in the Bohr's
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When `3.06 g` of solid `NH_4SH` is introduced into a two litre evacuated flask at `27° C, 30% ` of
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A bob of mass `M` is suspended by a massless string of length `L`. The horizontal velocity `V` at po
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If the angle of triagle are `30^o` and `45^o` and the included side is `( sqrt3 + 1 )`cm, the the ar
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A uniform cylinder of length `L` and mass `M` having cross-sectional area `A` is suspended, with its
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