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Physics · 2026 · 1 mark
CBSE 2026 · Region 5 · Set 2 · Q2
The momentum of a photon associated with a microwave of wavelength 4 · 00 cm is:
The momentum of a photon associated with a microwave of wavelength $\displaystyle 4 \cdot 00 \mathrm{~cm}$ is :
Official answer
(A)
$\displaystyle 1.66 \times 10^{-32} \mathrm{~kg} \mathrm{~ms}^{-1}$
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