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The de Broglie wavelength of an electron

Q. The de Broglie wavelength of an electron having kinetic energy E is λ. If the kinetic energy of the electron becomes E/4, then its de-Broglie wavelength will be :

(1) λ/√2

(2) λ/2

(3) 2λ

(4) √2λ                                                                                   (JEE-2023)

Aditya Bhatt Answered question 27 January 2024
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