If the incident electrons in Coolidge tube are accelerated through a potential of V volt, then the maximum frequency of continuous X-rays will be
V
hV
eVh
heV
A
V
B
hV
C
heV
D
eVh
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Solution
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Energy gained by an electron by being accelerated by a voltage V: E=eV This energy is completely used to generate X-rays. Energy of radiation is given by: E=hν Comparing the two, we get: ν=eVh
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