147704 If by successive disintegration of ${ }_{92} \mathrm{U}^{238}$ The final product obtained is ${ }_{82} \mathrm{~Pb}^{206}$, then how many number of $\alpha$ and $\beta$ particles are emitted?

147705 The half life of a radioactive substance is 20 days. If $\frac{2}{3}$ part of the substance has decayed in time $t_{2}$ and $\frac{1}{3}$ part of it has decayed in time $t_{1}$ then the time interval between $t_{2}$ and $t_{1}$ is $\left(t_{2}\right.$ $\left.\mathbf{t}_{1}\right)=$

147706 Percentage fraction is a sample of a radioactive sample that remains unchanged after a period of five half-lives is

147707 A radioactive sample has a half-life of 10 minutes. If 64 nuclei are contained in the sample the number of nuclei that would decay after 50 minutes is

147704 If by successive disintegration of ${ }_{92} \mathrm{U}^{238}$ The final product obtained is ${ }_{82} \mathrm{~Pb}^{206}$, then how many number of $\alpha$ and $\beta$ particles are emitted?

147705 The half life of a radioactive substance is 20 days. If $\frac{2}{3}$ part of the substance has decayed in time $t_{2}$ and $\frac{1}{3}$ part of it has decayed in time $t_{1}$ then the time interval between $t_{2}$ and $t_{1}$ is $\left(t_{2}\right.$ $\left.\mathbf{t}_{1}\right)=$

147706 Percentage fraction is a sample of a radioactive sample that remains unchanged after a period of five half-lives is

147707 A radioactive sample has a half-life of 10 minutes. If 64 nuclei are contained in the sample the number of nuclei that would decay after 50 minutes is

147704 If by successive disintegration of ${ }_{92} \mathrm{U}^{238}$ The final product obtained is ${ }_{82} \mathrm{~Pb}^{206}$, then how many number of $\alpha$ and $\beta$ particles are emitted?

147705 The half life of a radioactive substance is 20 days. If $\frac{2}{3}$ part of the substance has decayed in time $t_{2}$ and $\frac{1}{3}$ part of it has decayed in time $t_{1}$ then the time interval between $t_{2}$ and $t_{1}$ is $\left(t_{2}\right.$ $\left.\mathbf{t}_{1}\right)=$

147706 Percentage fraction is a sample of a radioactive sample that remains unchanged after a period of five half-lives is

147707 A radioactive sample has a half-life of 10 minutes. If 64 nuclei are contained in the sample the number of nuclei that would decay after 50 minutes is

147704 If by successive disintegration of ${ }_{92} \mathrm{U}^{238}$ The final product obtained is ${ }_{82} \mathrm{~Pb}^{206}$, then how many number of $\alpha$ and $\beta$ particles are emitted?

147705 The half life of a radioactive substance is 20 days. If $\frac{2}{3}$ part of the substance has decayed in time $t_{2}$ and $\frac{1}{3}$ part of it has decayed in time $t_{1}$ then the time interval between $t_{2}$ and $t_{1}$ is $\left(t_{2}\right.$ $\left.\mathbf{t}_{1}\right)=$

147706 Percentage fraction is a sample of a radioactive sample that remains unchanged after a period of five half-lives is

147707 A radioactive sample has a half-life of 10 minutes. If 64 nuclei are contained in the sample the number of nuclei that would decay after 50 minutes is