*P71915A0528*
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AERA
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ETIRW
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PMT
Questions 8 and 9 refer to the information below.
Alpha particle scattering investigations were first carried out in the early part of
the 20th century.
The diagram shows the path of an α particle that is being deflected by the nucleus of a
gold atom. The closest distance of approach of the α particle to the nucleus is at point P.
P
nucleus
path of
α particle