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The number of a-particles and beta -part...

The number of a-particles and `beta `-particles respectively emitted in the reaction `""_(88)A^(196) to ""_(78) B^(164) ` are:

A

8 and 8

B

8 and 6

C

6 and 8

D

6 and 6

Text Solution

Verified by Experts

The correct Answer is:
B
`""_(88) A^(196) to ""_(78) B^(164) `
Number of ` alpha `- particles `= (196- 164)/(4) =8 `
` ""_(88) A^(196) overset(-8alpha)to ""_(72) X^(164) to ""_(78)B^(164) `
` therefore ` Number of ` beta `- particles ` = 78- 72 =6`
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