I need the answer as soon as possible 1. a. A narrow beam containing 1020 photons at 6 MeV impingesperpendicularly on a layer of lead 12 mm thick, having a density11.3 g/cm³. How many interactions of each type (Photoelectric,Compton, Pair, Rayleigh) occur in the lead ?b. Assuming that each interaction in problem (1.a) results in oneprimary photon being removed from the beam, how much energyis removed by each type of interaction ?c. How much energy is transferred to charged particles by each typeof interaction in problem (1.a) ?SOLUTIONS (Key Answer) :a. Photoelectric: 1.00 x 1018 ; Compton: 1.793 x 1019 ; pair:2.556 x 1019, Rayleighe 6 x 1016.b. Photoelectric: 9.6 x 105 J ; Compton: 1.72 x 10'J; pair:2. 46 x 10'J; Rayleigh: 6 x 10* J.c. Photoelectric: 9.5 x 105J ; Compton: 1.11 x 10'J ; pair:2.04 x 10' J; Rayleigh:0.

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Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter3: The Quantum Theroy Of Light

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Problem 43P

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1. a. A narrow beam containing 1020 photons at 6 MeV impinges perpendicularly on a layer of lead 12 mm thick, having a density 11.3 g/cm³. How many interactions of each type (Photoelectric, Compton, Pair, Rayleigh) occur in the lead ?