1: Find the mass defect and binding energy for helium nucleus? (Answer: 0.03038 u, 28.3 MeV) 

(Click for verified Solution)



2: The mass of nucleus is 13.999234u, calculate the binding energy. (Answer: 104.66 MeV) 

(Click for verified Solution)


3: The half life of radioactive nucleus `\ _{86}^{226}Ra` is 1.6 ï½˜10³ years. Determine the decay constant. (Answer: 1.4 ｘ 10⁻¹¹ s⁻¹)

(Click for verified Solution)


4: Calculate the total energy released if 1 kg of `\ ^{235}U` undergoes fission? Taking the disintegration energy per event to be Q = 208 MeV. (Answer: 5.32 ï½˜ 10⁻²⁶ MeV) 

(Click for verified Solution)


5: Determine the mass of `\ ^{6}Li` when it is bombarded by deuteron, disintegrating into two alpha particles by release of 22.3 MeV (0.023940 u) energy. The mass of deuteron is 4.002603 u and that of alpha particle is 4.002603 u. (Answer: 6.01504 u) 

(Click for verified Solution)


6: Find the energy released when B-decay changes `\ ^{234}Th` into `\ ^{234}Pa`. Mass of `\ ^{234}Th` = 234.0436 u and `\ ^{234}Pa` = 234.0428 u. (Answer: 0.26967 MeV)

(Click for verified Solution)