The de Brogue wavelengths...|MODERN PHYSICS|JEEMAIN-2022

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JEE MAIN 2022

28-06-22 S1

Question

The de Brogue wavelengths for an electron and a photon are $\lambda_{\mathrm{e}}$ and $\lambda_{\mathrm{p}}$ respectively. For the same kinetic energy of electron and photon. which of the following presents the correct relation between the de Brogue wavelengths of two ?

Select the correct option:

A

$\lambda_p \propto \lambda_e^2$

B

$\lambda_{\mathrm{p}} \propto \lambda_{\mathrm{e}}$

C

$\lambda_p \propto \sqrt{\lambda_e}$

D

$\lambda_p \propto \sqrt{\frac{1}{\lambda_e}}$

✓ Correct! Well done.

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