A radioactive sample has an initial activity of 64 dpm. 15 minutes later it has an activity of 32 dpm. What woul

Question Asked by a Student from EXXAMM.com Team

Q 1221191021.     A radioactive sample has an initial activity of 64 dpm. 15 minutes later it has an activity of 32 dpm. What would be number of atoms in a sample having an activity of 6.93 dpm.
A

300

B

150

C

450

D

200

HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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