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The kinetic energy of an electron, \(\alpha\)-particle and a proton are given as \(4 K, 2 K\) and \(K\) respectively. Th…

Q1

The kinetic energy of an electron, \(\alpha\)-particle and a proton are given as \(4 K, 2 K\) and \(K\) respectively. The de-Broglie wavelength associated with electron \(\left(\lambda_e\right) \alpha\)-particle \(\left(\lambda_\alpha\right)\) and the proton \(\left(\lambda_p\right)\) are as follows:

[JEE Main 2023, 6 Apr (Shift 1)]

a

\(
\lambda_\alpha=\lambda_p<\lambda_e
\)

b

\(
\lambda_{ a }>\lambda_p<\lambda_e
\)

c

\(
\lambda_\alpha<\lambda_p<\lambda_e
\)

d

\(
\lambda_\alpha=\lambda_p>\lambda_e
\)

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