The rate of radioactive decay of a sample are 3 × 108 dps and 3 ×107 dps after time 20 min and 43.03 min respectively. The fraction of radio atom decaying per second is equal to

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

1600

0.5

0.001

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

k=2.303t2−t1log⁡r1r2=2.30323.03log⁡3×1083×107=0.1min−1k=−dN/Ndt=0.1min−1=1600s−1

Watch 3-min video & get full concept clarity