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The momentum of a photon in an X-ray beam of $10^{- 10}$ metre wavelength is

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1.5×10−23kg−m/sec

6.6×10−24kg−m/sec

6.6×10−44kg−m/sec

2.2×10−52kg−m/sec

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detailed solution

Correct option is B

Momentum of photonp=hλ=6.6×10−3410−10=6.6×10−24kg−m/sec

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The momentum of a photon in an X-ray beam of 10-10 metre wavelength is

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The momentum of a photon in an X-ray beam of $10^{- 10}$ metre wavelength is