An alpha nucleus of energy 12 m ϑ2 bombards a heavy nuclear of charge Ze. Then the distance of closset approach for the alpha nucleus will the proportional to
A
1ϑ
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B
1Ze
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C
ϑ
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D
1m
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Solution
The correct option is D1m 12mv2=14πϵ0(Ze)(2e)d d∝1m ; d∝1v2