Solve this.
Q. Find the de-Broglie wavelength of an electron with kinetic energy of 120 eV.
A. 112 pm
B. 95 pm
C. 124 pm
D. 102 pm
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Refer to the link below for the answer to a similar query,
https://www.meritnation.com/ask-answer/question/what-is-the-a-momentum-b-speed-and-c-de-br/dual-nature-of-radiation-and-matter/6304975
I hope this information will clear your doubts.
If you have anymore doubts just ask here on the forum our experts will try to help you out as soon as possible.
Regards