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Questions  

The momentum of an x-ray photon with λ=0.5A0 is

a
13.26×10-26 kg m/s
b
1.32×10-26 kg m/s
c
13.24×10-24 kg m/s
d
13.26×10-22kg m/s

detailed solution

Correct option is C

p=hλ=6.62×10−340.5×10−10      =13.24×10−24kgms−1

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