Q.
When an α -particle of mass m moving with velocity v bombards on a heavy nucleus of charge Ze, its distance of closest approach from the nucleus depends on m as
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a
1m2
b
m
c
1m
d
1m
answer is C.
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Detailed Solution
Distance of closest approach when an α -particle of mass m moving with velocity V is bombarded on a heavy nucleus of charge ze, is given byr0=Ze2πε0mv2 ∴ r0∝1m
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