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What is the de-Broglie wavelength of a nitrogen molecule in air at 300K Assume that the molecule that the molecule is moving with the root- means - square speed of molecules at this temperature ? (Atomic mass of nitrogen = 14.0076u) given : h=6.63×1034Js,mn=1.675×1027kg;k=1.8×1023JK1

2.75×1010m2.75×1010m0.275×1010m0.275×1010m

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