Structure of Atom - Result Question 29

####31. The momentum of a particle having a de Broglie wavelength of 1017 metres is

[1996]

(Given h=6.625×1034Js )

(a) 3.3125×107kgms1

(b) 26.5×107kgms1

(c) 6.625×1017kgms1

(d) 13.25×1017kgms1

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Solution:

  1. (c) Acc. to de-Broglie,

λ=hmvmv=hλ=6.625×10341017p=6.625×1017kgm/s



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