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Mass of electron = 9.1 xx 10^(-3) kg. Th...

Mass of electron `= 9.1 xx 10^(-3) kg`. The kinetic energy of an electron is `4.55 xx 10^(-25)J`. What is its wavelength (in nm) ? 

A

728

B

850

C

896

D

786

Text Solution

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The correct Answer is:
A
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