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There are two radio nuclei A and B. A is a α-emitter and B is β-emitter. Their disntegration constant are in the ratio of 1 : 2. What should be the number of atoms ratio of A and B at time t = 0, so that initially probability of getting of α andα-particles are same?

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a

2 : 1

b

4 : 1

c

1 : 2

d

1 : 4

answer is A.

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Detailed Solution

KANA=KBNB (∵ rate of disintegration are same)NANB=KBKA=21

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There are two radio nuclei A and B. A is a α-emitter and B is β-emitter. Their disntegration constant are in the ratio of 1 : 2. What should be the number of atoms ratio of A and B at time t = 0, so that initially probability of getting of α andα-particles are same?