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Energy of a particle at absolute tempera...

Energy of a particle at absolute temperature T is of the order kT. Calculate the wavelength of thermal neutrons at `27^(@)C`. Take mass of neutron = `1.67 xx 10^(-27)kg, h =6.6 xx 10^(-34)Js` and k = 1.38 J `" mol"^(-1)K^(-1)`.

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