Q.
A particle of mass 10-27 kilograms is moving with a velocity which is 1300th of that of light. Wavelength of the particle is equal to
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a
6.625×10-16 m
b
6.625×10-14 m
c
6.625×10-18 m
d
6.625×10-20 m
answer is A.
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Detailed Solution
Debroglie equation;λ=hmv; h=6.625×10-34 J.s; Given m=10-24 Kg; v=1300×3×108 m/s; Substituting the values, λ=6.625×10-34 J.s10-24 Kg×106 m/s; λ=6.625×10-16 m ;
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