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Select the correct statement(s) : a) ...

Select the correct statement(s) :
a) SI unit of radioactivity is becquerel (Bq)
b) `1 Ci =3.7 xx10^(7)` Bq
c) `._(3)^(7)Li +_(1)^(1)H rarr _(2)^(4)He "is" (P, alpha)` type reaction
d) The half -time of a particular radioactive isotope is a characteristics constant of that isotope

A

SI unit of radioactivity is becquerel (Bq)

B

`1 Ci =3.7 xx10^(7)` Bq

C

`._(3)^(7)Li +_(1)^(1)H rarr _(2)^(4)He "is" (P, alpha)` type reaction

D

The half -time of a particular radioactive isotope is a characteristics constant of that isotope

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The correct Answer is:
A, C, D
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