Question: A Geiger-Marsden experiment, in which alpha particles are scattered off a thin gold film, yields an intensity of I(94.9) = 853 counts/s at a scattering

A Geiger-Marsden experiment, in which alpha particles are scattered off a thin gold film, yields an intensity of I(94.9°) = 853 counts/s at a scattering angle of 94.9° ± 0.7°. What is the intensity (in counts/s) at a scattering angle of 60.5° ± 0.7° if the scattering obeys the Rutherford formula?

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