26 Nov 2016

In a given sample there are 10,000 radio-active atoms of half-life period 1 month. The number of atoms remaining without disintegration at the end of 3 months is:

A] Nil
B] 5,000
C] 2,500
D] 1,250
SALES ASSISTANT GRADE II; JUNIOR ASSISTANT/CASHIER/TIME KEEPER/ASSISTANT STORE KEEPER; EXCISE INSPECTOR TRAINEE 2016
DO You Know The Answer ? If Do so please write and Check out Your answer with the Following answer

1,250

No comments:

Post a Comment