calculate the mass defect of Helium `[""._(2)He^(4)]`
mass of proton `=1.007276 u,`
Mass of neutron `=1.008665u,`
Mass of `""._(2) He^(4)= 1.001506 u,`

Calculate : (i) mass defect of Helium (""_(2)^(4)He) nucleus (ii) Obtain a relation between radius and mass number of a nucleus. Mass of proton = 1.007276 u Mass of neutron = 1.008665 u Mass of ""_(2)He^(4) nucleus = 4.001506 u (b) What are characteristic X-rays ? How are they different from continuous X-rays Give any one difference.

Calculate the binding energy per nucleon of ""_3^7Li (7 u) , Given mass of a proton = 1.007825 u and mass of neutron = 1.008665u .

Calculate the binding energy of a deutron. Given that mass of proton = 1.007825 a.m.u mass of neutron = 1.008665 a.m.u . mass of a deutron = 2.014103 a.m.u .

Calculate the binding energy for nucleon of . _6^(12) C nucleus, if mass of proton m_p = 10078 u , mass of neutron m_n = 1.0087 u , mass of C_12, m_C =12.0000 u , and 1 u =931 .4 MeV .

Calculate the binding energy of an alpha -particle. Given that mass of proton = 1.0073 u, mass of neutron = 1.0087 u, and mass of alpha - particle = 4.0015 u.

Calculate the B.E./nucleon of ._17Cl^(35) nucleus. Given that of proton =1.007825u , mass of neutron =1.008665 u , mass of ._17Cl^(35)=34.980000u , 1u=931MeV .

Calculate the binding energy of an alpha -particles. Given that mass of proton =1.0073u , mass of neutron =1.0087 u . And mass of alpha -particle =4.0015 u .