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Which of the following is emitted , ...

Which of the following is emitted , when ` ""_(94)^(239 ) Pu` decays into `""_(92) ^(235 ) U` ?

A

Gamma ray

B

Neutron

C

Electron

D

Alpha particle

Text Solution

Verified by Experts

The correct Answer is:
D
`""_(94 ) ^(239 ) Pu overset ( alpha ) to ""_(92) ^(235) U `
when ` alpha -` particle is emitted that atomic mass is decreases by four and atomic number is decreases by two .
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