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If the energy of a photon is $10 \mathrm{eV}$, then its momentum is
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1046 Upvotes
Verified Answer
The correct answer is:
$5.33 \times 10^{-27} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
Momentum of a photon $\propto \frac{\mathrm{E}}{\mathrm{c}}$
$$
=5.33 \times 10^{-27} \mathrm{~kg} \mathrm{~ms}^{-1}
$$
$$
=5.33 \times 10^{-27} \mathrm{~kg} \mathrm{~ms}^{-1}
$$
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