The half-life of a radioisotope is four hours. If the initial mass of the isotope was 200 g, the mass remaining after 24 hours undecayed is [AIEEE 2004]

The half-life of a radioisotope is four hours. If the initial mass of

1.	The half-life of a radioisotope is four hours. If the initial mass of the isotope was 200 g, the mass remaining after 24 hours undecayed is [AIEEE 2004]
A.	3.125 g
B.	2.084 g
C.	1.042 g
D.	4.167 g
Answer» B. 2.084 g

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The half-life of a radioisotope is four hours. If the initial mass of the isotope was 200 g, the mass remaining after 24 hours undecayed is [AIEEE 2004]

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