The rate of disintegration of a certain radioactive sample at any instant is `8100` dpm. Fifty minutes later the rate becomes `2700` dpm. The half of the radioactive sample will be (Take `log2=0.3, log3=0.5, log5=0.7`)

The disintegration rate of a certain in radioactive sample at an instant is 4750 dpm. 10 minutes later the rate becomes 2760 dpm. What is the half-life of sample.

The disntergration rate of a certain radioactive sample at any instant is 4750 dp m . Five minute later, the rate becomes 2700 dp m Calculate half-line of sample.

The disintegrationn rate of a certain radioactive sample at any instant is 4750 dpm which becomes 2700 dpm 5 min later. Calculate the half life to sample?

The disintegration rate of a certain radioactive sample at any instant is 4750 disintegrations per minute. Five minutes later the rate becomes 2700 per minute. Calculate (a) decay constant and (b) half-life of the sample

The disintegration rate of a certain radioactive sample at any instant is 4750 disintegrations per minute. Five minutes later the rate becomes 2700 per minute. Calculate (a) decay constant and (b) half-life of the sample

The disintegration rate of a certain radioactive sample at any instant is 4750 disintegrations per minute. Five minutes later the rate becomes 2700 per minute. Calculate (a) decay constant and (b) half-life of the sample

The rate of disintegration of a radioactive element at any instant is 10^3 dps. If the half-life of that element is 1 second, then what is its rate of disintegration after 1 second and after 3 second?