The voltage applied to an electron microscope to produce electrons of wavelength 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Given, wavelength of electron, 
.
By using de-Broglie wavelength, 
where, using 
is Planck's constant 
, 
is mass of electron 
and 
is by which electron is accelerated
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