An electron of specific charge \frac{e}{m} enters an electric field, \overrightarrow{E}=-E_0 \stackrel{\^}{i} at a time {\t}=0 with an initial velocity vi . If \lambda_0 is its initial de Broglie wavelength, then its de Broglie wavelength at a time ' t ' is

Correct Answer is : λ0(1+eE0t mv)

{\lambda_0}/{ (1+ { {\e} {\E}_0 {\t}}/{ { mv}}) }

\lambda_0 [1+ { {\e} {\E}_0 {\t}}/{ { mv}}]

{\lambda_0}/{ (1- { {\e} {\E}_0 {\t}}/{ { mv}}) }

AP EAPCET Medical 19 May 2025 Shift 2 Paper

Question : 115 of 160

Marks: +1, -0

An electron of specific charge ‌

enters an electric field,

→

=−E0

at a time t=0 with an initial velocity vi . If λ0 is its initial de Broglie wavelength, then its de Broglie wavelength at a time ' t ' is

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