Question

Яка частка радіоактивних ядер розпадеться за час,що дорівнює чотирьом періодам піврозпаду. ​

Answer 1

Це буде дорівнювати 15/16

Answer 2

Radioactive Decay and Half-Life

The time it takes for a radioactive substance to decay to half of its original amount is known as its half-life. The concept of half-life is crucial in understanding the rate of decay of radioactive materials.

The fraction of radioactive nuclei that will decay over a given period of time can be calculated using the formula:

N(t) = N0 * (1/2)^(t/T)

Where: - N(t) = the quantity of the substance that still remains after time t - N0 = the initial quantity of the substance - t = time that has passed - T = half-life of the substance

To find the fraction of radioactive nuclei that will decay over four half-lives, we can use the formula:

N(4T) = N0 * (1/2)^(4)

This calculation will give us the fraction of the substance that remains after four half-lives have passed.

Let's calculate the fraction of radioactive nuclei that will decay over four half-lives using this formula.