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The wavelength of de-Broglie wave associ...

The wavelength of de-Broglie wave associated with a thermal neutron of mass `m` at absolute temperature `T` is given by (here, `k` is the Boltzmann constant)

A

`(h)/(sqrt(mkT)`

B

`(h)/(sqrt(2mkT)`

C

`(h)/(3mkT)`

D

`(h)/(2sqrt(mkT)`

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