Questions
50% of X-rays obtained from a Coolidge tube pass through 0.3mm thick aluminum foil. If the potential difference between the target and the cathode is increased, then the fraction of X-rays passing through the same foil will be
detailed solution
Correct option is B
Emax∝V so on increasing V, energy of incident electron increases. Due to which X−rays produced will be of higher energy. So the penetrating X−rays percentage will increase.Therefore, the correct answer is ( B )Talk to our academic expert!
Similar Questions
The potential difference across the Coolidge tube is 20 kV and 10 mA current flows through the voltage supply. Only 0.5% of the energy carried by the electrons striking the target is converted into X-rays. The power carried by X-ray beam (in W) is ______
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