The energy that should be added to an electron to reduce its de-Broglie wavelength from 10^-10 m to 0.5 x 10^-10 m will be: [MHT-CET 2022] - VgyanHub

Question:

The energy that should be added to an electron to reduce its de-Broglie wavelength from 10^-10 m to 0.5 x 10^-10 m will be: [MHT-CET 2022]

Options :

(a) 3 times its initial energy
(b) 4 times its initial energy
(c) 2 times its initial energy
(d) equal to its initial energy

Answer :

(a) 3 times its initial energy

Answer Steps :

step 1:

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