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Modern Physics: Gamma rays, energy and absorption.

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A collimated beam of 200 keV gamma radiation delivers an incident
energy flux of 2 J m^-2 s^-1 to a lead shield 1 g cm^-2 thick.

a. What is the incident photon flux in photons cm^-2 s^-1?

b. What is the rate of energy absorption in the shield in both erg g^-1 s^-1, J kg^-1 s^-1 and Gy s^-1

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Solution Summary

The energy flux of the beam is given and a) the photon flux and b) the energy absorbed is calculated.

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