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In Rutherford experiment , the number of...

In Rutherford experiment , the number of the alpha particles scattered through and angle of `60^@` by a silver foil is 200 per minute. When the silver foil is replaced by a copper foil of the same thickness , the number of ` alpha` - particles scatted through an angle of `60^@` per minute is :

A

`200 xx Z_(Cu)/(Z_(Ag))`

B

`200 xx (Z_(Cu)/(Z_(Ag)))^3`

C

`200 xx Z_(Ag)/(Z_(Cu))`

D

`200 xx (Z_(Ag)/(Z_(Cu)))`

Text Solution

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The correct Answer is:
B
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