An X-ray tube is being operated at 10kV. The maximum frequency of X-rays produced is: (h=6.6×10−34m2kg/s)
2.4×1020Hz
2.4×1011Hz
2.4×1019Hz
2.4×1018Hz
A
2.4×1018Hz
B
2.4×1019Hz
C
2.4×1020Hz
D
2.4×1011Hz
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Solution
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p.d.×e=energy=hν
10×103×1.6×10−19=6.6×10−34ν
ν=104×1.6×10−196.6×10−34
=2.4×1018Hz
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