Penetrating power of X-rays does not depend on ________.
A
potential difference
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B
wavelength
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C
energy
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D
current in the filament
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Solution
The correct option is C current in the filament
Penetrating power of X-rays does not depend on current in the filament as
When the current through the filament increases, the number of emitted electrons also increases. Hence the intensity of X−ray increases but no effect on penetrating power.