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Easyneet pyq 2026
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A photon and an electron (mass $m$) have the same energy $E$. The ratio ($\lambda_{\text{photon}}/\lambda_{\text{electron}}$) of their de Broglie wavelengths is ($c$ is the speed of light)
A
$\sqrt{E/2m}$
B
$c\sqrt{2mE}$
C
$c\sqrt{\frac{2m}{E}}$
D
$\frac{1}{c}\sqrt{E/2m}$
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