If the frequency of an emitted x-ray is 1.6 x 1016...
If the frequency of an emitted x-ray is 1.6 x 1016Hz, the accelerating potential is?
[e = 1.6 x 10−19J, h = 6.63 x 10-34Js]
6630.0V
663.0V
66.3V
6.6V
Correct answer is C
Given f = 1.6 x1016H3, h = 6.63 x 10−39Js
e = 1.6 x 10−19C, V = ?
V = we=hfe = 1.6×1016×6.63×10341.6×10−19
= 66.3V
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