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Question

If wavelength of photon is $2.2 \times 10^{-11} \mathrm{~m}$ and $h=6.6 \times 10^{-34} \mathrm{~J} \mathrm{~s}$, then momentum of photon

$3.33 \times 10^{-22} \mathrm{~kg} \mathrm{~ms}^{-1}$
$1.452 \times 10^{-44} \mathrm{~kg} \mathrm{~ms}^{-1}$
$6.89 \times 10^{+43} \mathrm{~kg} \mathrm{~ms}^{-1}$
$3 \times 10^{-23} \mathrm{~kg} \mathrm{~ms}^{-1}$

Solution

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