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(D) The intensity of $X-$rays is directly proportional to the number of electrons striking the anode per unit time. When the number of electrons strik

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Intensity

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(D) The intensity of $X-$rays is directly proportional to the number of electrons striking the anode per unit time. When the number of electrons striking the anode increases,the number of $X-$ray photons produced also increases,which leads to an increase in the intensity of the $X-$rays. Other parameters like frequency,wavelength,and penetration power depend on the accelerating voltage (potential difference) applied across the tube,not on the number of electrons.

On increasing the number of electrons striking the anode of an $X-$ray tube,which one of the following parameters of the resulting $X-$rays would increase?

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