Q3. In the table below, a list of mass attenuation coefficients is given for three materials....

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Q3. In the table below, a list of mass attenuation coefficients is given for three materials. Calculate the thickness required for each material to reduce a flux of 1.5 MeV y rays by a factor of 100? [2 marks] Material Al Cu Pb p (kg/m) m (m/kg) 2700 0.0053 8900 0.0047 11000 0.0052 Q3. In the table below, a list of mass attenuation coefficients is given for three materials. Calculate the thickness required for each material to reduce a flux of 1.5 MeV y rays by a factor of 100? [2 marks] Material Al Cu Pb p (kg/m) m (m/kg) 2700 0.0053 8900 0.0047 11000 0.0052