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An isotope .(92)U^(238) decays successiv...

An isotope `._(92)U^(238)` decays successively to form `._(90)Th^(234),._(91)Pa^(234),._(92)Th^(234),._(90)Th^(230)` and `._(88)Ra^(226)`. What are the radiations emitted in these five steps?

A

`alpha, alpha, beta, beta`

B

`alpha, alpha, beta, beta, alpha`

C

`alpha, beta, beta, alpha, alpha `

D

`beta, beta , alpha, alpha , alpha `

Text Solution

Verified by Experts

The correct Answer is:
C
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