363978 Three fourth of the active material decays in a radioactive sample in \(\frac{3}{4}\) sec. The half life of the sample is

363979 A small quantity of solution containing \(N{a^{24}}\) radio nuclide of activity 1 microcurie is injected into the blood of a person. A sample of the blood of volume \(1c{m^3}\) taken after 5 hours shows an activity of 296 disintegration per minute. What will be the total volume of the blood in the body of the person? Assume that the radioactive solution mixes uniformly in the blood of the person (Take 1 Curie \( = 3.7 \times {10^{10}}\) disintegration per second and \({e^{ - \lambda t}} = 0.7927;\) where \(\lambda = \) disintegration constant)

363980 A radioactive sample undergoes decay as per the following graph. At time \(t = 0\), the number of undecayed nuclei is \({N_o}.\) Calculate the number of nuclei left after \(1\,h\).

363981 Acitivity of radioactive element decreased to one third of original activity \({R_0}\) in 9 years. After further 9 years, its acitivity will be

363982 A radioactive nucleus \({}_Z^AX\) undergoes spontaneous decay in the sequence \(_Z^AX{ \to _{Z - 1}}B{ \to _{Z - 3}}C{ \to _{Z - 2}}D,\) where \(Z\) is the atomic number of element \(X\). The possible decay particles in the sequence are:

363978 Three fourth of the active material decays in a radioactive sample in \(\frac{3}{4}\) sec. The half life of the sample is

363979 A small quantity of solution containing \(N{a^{24}}\) radio nuclide of activity 1 microcurie is injected into the blood of a person. A sample of the blood of volume \(1c{m^3}\) taken after 5 hours shows an activity of 296 disintegration per minute. What will be the total volume of the blood in the body of the person? Assume that the radioactive solution mixes uniformly in the blood of the person (Take 1 Curie \( = 3.7 \times {10^{10}}\) disintegration per second and \({e^{ - \lambda t}} = 0.7927;\) where \(\lambda = \) disintegration constant)

363980 A radioactive sample undergoes decay as per the following graph. At time \(t = 0\), the number of undecayed nuclei is \({N_o}.\) Calculate the number of nuclei left after \(1\,h\).

363981 Acitivity of radioactive element decreased to one third of original activity \({R_0}\) in 9 years. After further 9 years, its acitivity will be

363982 A radioactive nucleus \({}_Z^AX\) undergoes spontaneous decay in the sequence \(_Z^AX{ \to _{Z - 1}}B{ \to _{Z - 3}}C{ \to _{Z - 2}}D,\) where \(Z\) is the atomic number of element \(X\). The possible decay particles in the sequence are:

363978 Three fourth of the active material decays in a radioactive sample in \(\frac{3}{4}\) sec. The half life of the sample is

363979 A small quantity of solution containing \(N{a^{24}}\) radio nuclide of activity 1 microcurie is injected into the blood of a person. A sample of the blood of volume \(1c{m^3}\) taken after 5 hours shows an activity of 296 disintegration per minute. What will be the total volume of the blood in the body of the person? Assume that the radioactive solution mixes uniformly in the blood of the person (Take 1 Curie \( = 3.7 \times {10^{10}}\) disintegration per second and \({e^{ - \lambda t}} = 0.7927;\) where \(\lambda = \) disintegration constant)

363980 A radioactive sample undergoes decay as per the following graph. At time \(t = 0\), the number of undecayed nuclei is \({N_o}.\) Calculate the number of nuclei left after \(1\,h\).

363981 Acitivity of radioactive element decreased to one third of original activity \({R_0}\) in 9 years. After further 9 years, its acitivity will be

363982 A radioactive nucleus \({}_Z^AX\) undergoes spontaneous decay in the sequence \(_Z^AX{ \to _{Z - 1}}B{ \to _{Z - 3}}C{ \to _{Z - 2}}D,\) where \(Z\) is the atomic number of element \(X\). The possible decay particles in the sequence are:

363978 Three fourth of the active material decays in a radioactive sample in \(\frac{3}{4}\) sec. The half life of the sample is

363979 A small quantity of solution containing \(N{a^{24}}\) radio nuclide of activity 1 microcurie is injected into the blood of a person. A sample of the blood of volume \(1c{m^3}\) taken after 5 hours shows an activity of 296 disintegration per minute. What will be the total volume of the blood in the body of the person? Assume that the radioactive solution mixes uniformly in the blood of the person (Take 1 Curie \( = 3.7 \times {10^{10}}\) disintegration per second and \({e^{ - \lambda t}} = 0.7927;\) where \(\lambda = \) disintegration constant)

363980 A radioactive sample undergoes decay as per the following graph. At time \(t = 0\), the number of undecayed nuclei is \({N_o}.\) Calculate the number of nuclei left after \(1\,h\).

363981 Acitivity of radioactive element decreased to one third of original activity \({R_0}\) in 9 years. After further 9 years, its acitivity will be

363982 A radioactive nucleus \({}_Z^AX\) undergoes spontaneous decay in the sequence \(_Z^AX{ \to _{Z - 1}}B{ \to _{Z - 3}}C{ \to _{Z - 2}}D,\) where \(Z\) is the atomic number of element \(X\). The possible decay particles in the sequence are:

363978 Three fourth of the active material decays in a radioactive sample in \(\frac{3}{4}\) sec. The half life of the sample is

363979 A small quantity of solution containing \(N{a^{24}}\) radio nuclide of activity 1 microcurie is injected into the blood of a person. A sample of the blood of volume \(1c{m^3}\) taken after 5 hours shows an activity of 296 disintegration per minute. What will be the total volume of the blood in the body of the person? Assume that the radioactive solution mixes uniformly in the blood of the person (Take 1 Curie \( = 3.7 \times {10^{10}}\) disintegration per second and \({e^{ - \lambda t}} = 0.7927;\) where \(\lambda = \) disintegration constant)

363980 A radioactive sample undergoes decay as per the following graph. At time \(t = 0\), the number of undecayed nuclei is \({N_o}.\) Calculate the number of nuclei left after \(1\,h\).

363981 Acitivity of radioactive element decreased to one third of original activity \({R_0}\) in 9 years. After further 9 years, its acitivity will be

363982 A radioactive nucleus \({}_Z^AX\) undergoes spontaneous decay in the sequence \(_Z^AX{ \to _{Z - 1}}B{ \to _{Z - 3}}C{ \to _{Z - 2}}D,\) where \(Z\) is the atomic number of element \(X\). The possible decay particles in the sequence are: