Chapter 30 – Nuclear Physics

The minimum frequency of a γ-ray that causes a deuteron to disintegrate into a proton and a neutron is (md=2.0141amu,mp=1.0078amu,mn=1.0087amu.). mn=1.0087amu.). mp=1.0078amu The minimum frequency of a γ-ray that causes a deuteron to disintegrate into a proton and a neutron is (md=2.0141amu June 5, 2021 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter [...]

In the case of thorium (A=232 and Z=90), we obtain an isotope of lead (A=208 and Z=82) after some radioactive disintegrations. The number of α and β particle emitted are respectively. In the case of thorium (A=232 and Z=90) we obtain an isotope of lead (A=208 and Z=82) after some radioactive disintegrations. The number of [...]

In the disintegration series .23892Uα→Xβ−→.AZY the values of Z and A, respectively, will be In the disintegration series .23892Uα→Xβ−→.AZY the values of Z and A respectively will be June 5, 2021 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 30 - Nuclear Physics ,

A certain radioactive element has half-life of 4 days. The fraction of material that decays in 2 days is A certain radioactive element has half-life of 4 days. The fraction of material that decays in 2 days is June 5, 2021 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 30 - Nuclear Physics [...]

A helium atom, a hydrogen atom and a neutron have mases of 4.003u,1.008u and 1.009u (unified atomic mass units), respectively. Assuming that hydrogen atoms and neutrons can be fuse to from helium, what is the binding energy of a helium nucleus? 1.008u and 1.009u (unified atomic mass units) A helium atom a hydrogen atom and [...]

A nucleus AZX emits an α-particle. The resultant nucleus emits a β+ particle. The respective atomic and mass numbers of the final nucleus will be A nucleus AZX emits an α-particle. The resultant nucleus emits a β+ particle. The respective atomic and mass numbers of the final nucleus will be June 5, 2021 Category: Cengage [...]

Certain radioactive substance reduces to 25% of its value is 16 days. Its half-life is. Certain radioactive substance reduces to 25% of its value is 16 days. Its half-life is. June 5, 2021 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 30 - Nuclear Physics ,

What is the age of an ancient wooden piece if it is known that the specific activity of C^14 nuclide in it amounts to 3/5 of that in fresh trees? Given: the half of C nuclide is 5570years and loge(5/3)=0.5 . The half-life of a radioactive decay is x times its mean life. The value [...]

The half life of a radioactive decay is x times its mean life. The value of x is The half-life of a radioactive decay is x times its mean life. The value of x is June 5, 2021 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 30 - Nuclear Physics ,

Activity of radioactive element decreased to one third of original activity A0 in a period of 9 years. After further lapse of 9 years, its activity will be Activity of radioactive element decreased to one third of original activity A0 in a period of 9 years. After further lapse of 9 years its activity will [...]