Question

The half life period of a radiactive element is 100 days. After 400 days, one gm of the element will be reduced to __________ gm.

a.

1/4

b.

1/8

c.

1/2

d.

1/16

Answer: (d).1/16

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Q. The half life period of a radiactive element is 100 days. After 400 days, one gm of the element will be reduced to __________ gm.

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