The natural logarithm of the activity R of a radioactive sample varies with time t as shown. At t = 0, there are N0 undecayed nuclei. Then N0 is equal to [Take e2 = 7.5]
1
7,500
2
3,500
3
75,000
4
1,50,000
The natural logarithm of the activity R of a radioactive sample varies with time t as shown. At t = 0, there are N0 undecayed nuclei. Then N0 is equal to [Take e2 = 7.5]