A dental X-ray typically affects 194 g of tissue and delivers about 3.6 µJ of energy using X-rays that have wavelengths of 0.025 nm. What is the energy Ephoton, in electron volts, of X-ray photons? eV Ephoton How many photons are absorbed during the dental X-ray? Assume the body absorbs all of the incident X-rays. photons number of photons absorbed:
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