A gold foil (p = 19.3 g/cm³, M = 197 g/ thickness of 2.0 x 104 cm. It is used to particles of kinetic energy 8.0 MeV. (a) W of the alpha particles is scattered at angles 90° (b) What fraction of the alpha particle
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T1
![A gold foil (p= 19.3 g/cm³, M = 197 g/mole) has a
thickness of 2.0 x 10-4 cm. It is used to scatter alpha
particles of kinetic energy 8.0 MeV. (a) What fraction
of the alpha particles is scattered at angles greater than
90°? (b) What fraction of the alpha particles is scattered
at angles between 90° and 45°?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8f4f8d7f-c88a-469e-b853-1176ee8bbe7e%2Fad0ed0d8-c73d-4ce6-a441-2bfba5e37bf4%2Fsvb0y2k_processed.jpeg&w=3840&q=75)
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