How many photons are emitted per second
An X-ray machine accelerates electrons over a 300kV potential difference. The current is 1mA and the efficency of X-ray production in the anode is 0.01%. If the average energy of the emitted photon is 100keV, how many photons are emitted per second?
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When boiling water, a hot plate takes an average of 464 seconds to boil 110 milliliters of water. Assume the temperature in the lab is 69 degrees fahrenheit. The hot plate is rated to provide 401 watts. How efficient is the hot plate? (Specific he
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Two Carnot engines operate in series such that the heat rejected from one is the heat input to the other. The heat rejected from the high temperature reservoir is 500 kJ.
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An X-ray machine accelerates electrons over a 300kV potential difference. The current is 1mA and the efficency of X-ray production in the anode is 0.01%. If the average energy of the emitted photon is 100keV, how many photons are emitted per secon
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