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Physics · 2026 · 1 mark
CBSE 2026 · Region 2 · Set 3 · Q11
The equivalent mass of a photon of wavelength 100 nm is
The equivalent mass of a photon of wavelength $\displaystyle 100$ nm is
Official answer
(A)
$\displaystyle 2.21 \times 10^{-35} \mathrm{~kg}$
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