Number of a--particles emitted per second by a radioactive element falls to 1/32 of its original value in 50 days. The half-life-period of this elements is [AMU 2001]

Number of a--particles emitted per second by a radioactive element fal

1.	Number of a--particles emitted per second by a radioactive element falls to 1/32 of its original value in 50 days. The half-life-period of this elements is [AMU 2001]
A.	5 days
B.	15 days
C.	10 days
D.	20 days
Answer» D. 20 days

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Number of a--particles emitted per second by a radioactive element falls to 1/32 of its original value in 50 days. The half-life-period of this elements is [AMU 2001]

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