Electrons of mass 
with de-Broglie wavelength 
fall on the target in an X-ray tube. The cut-off wavelength 
of the emitted X-ray is [NEET 2016]
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Given, mass of electrons 
de-Broglie wavelength 
So, kinetic energy of electron 
Now, maximum energy of photon can be given by
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