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Give the expression for wavelength of ma...

Give the expression for wavelength of matter in terms of absolute temperature along with the meaning of the symbols used.

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`lambda = h/sqrt(mnkT)` Where, `m =` mass of the particle
`n =` number of moles
`k =` Boltzmann constant
T = absolute temperature
`h = ` Planck,s constant
`lambda = ` wavelength of matter
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