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Question

The minimum wavelength of X-rays produced in a Coolidge tube operated at potential difference of 40 kV is


Correct Answer
A
0.31A
Your Answer
B
3.1A
Your Answer
C
31A
Your Answer
D
311A

Solution

The correct option is B 0.31A
λmin=1237540×103=0.309A0.31A

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