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Half-life of a radioactive substance{A} and {B} are, respectiv

Question

Half-life of a radioactive substance $A$ and $B$ are, respectively, $20 min$ and $40 min$ . Initially, the samples of $A$ and $B$ have equal number of nuclei. After $80 min$ , the ratio of the ramaining number of $A$ and $B$ nuclei is

1 : 16

4 : 1

1 : 4

1 : 1

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Evelyn Discussed

Half-life of a radioactive substance

A

and

B

are, respectively,

20 min

and

40 min

. Initially, the samples of

A

and

B

have equal number of nuclei. After

80 min

, the ratio of the ramaining number of

A

and

B

nuclei is

13 mins ago

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