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In a new x-ray tube the coast time is approx. ______ s

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Final answer:

To calculate the number of x-ray photons per second created by an x-ray tube, we can use the formula: Flux = Power / Energy per photon. Given that the power of the x-ray tube is 1.00 W and the average energy per photon is 75.0 keV, we can calculate the flux and find that there are approximately 8.33 x 10^17 x-ray photons per second created.

Step-by-step explanation:

To calculate the number of x-ray photons per second created by an x-ray tube, we can use the formula:

Flux = Power / Energy per photon

Given that the power of the x-ray tube is 1.00 W and the average energy per photon is 75.0 keV, we need to convert the energy to joules:

75.0 keV = 75.0 x 10^3 x 1.6 x 10^-19 J

Substituting the values into the formula, we have:

Flux = 1.00 / (75.0 x 10^3 x 1.6 x 10^-19) = 8.33 x 10^17 photons/s

Therefore, there are approximately 8.33 x 10^17 x-ray photons per second created by the x-ray tube.

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