Complete the following nuclear fission reactions:

(a) ${}_{92}^{235}\text{U}${92}^{235}\text{U} + ${0}^{1}\text{n}$ ⟶ ${}_{56}\text{Ba}${56}\text{Ba} + $^{92}\text{Kr}$ + 3 ${0}^{1}\text{n}$ + …….

(b) ${}_{92}^{235}\text{U}${92}^{235}\text{U} + ${0}^{1}\text{n}$ ⟶ $^{148}\text{La}$ + ${}_{35}^{85}\text{Br}${35}^{85}\text{Br}+ …… ${0}^{1}\text{n}$ + energy

Complete the following fusion reactions —

(a) ${}_2^3\text{He}${2}^{3}\text{He} + ${1}^{2}\text{H}$ ⟶ ${}_2\text{He}${2}\text{He} + ${1} \text{H}$ + energy

(b) ${}_1^2\text{H}${1}^{2}\text{H} + ${1}^{2}\text{H}$ ⟶ $_{2}\text{He}$ + $^{1} \text{n}$ + energy

What is the source of energy of sun or stars?

Name the following nuclear reactions —

(a) ${}_{92}^{235}\text{U}${92}^{235}\text{U} + ${0}^{1}\text{n}$ ⟶ ${}_{38}^{90}\text{Sr}${38}^{90}\text{Sr} + ${54}^{143}\text{Xe}$ + 3 $_{0}^{1}\text{n}$ + γ

(b) ${}_1^3\text{H}${1}^{3}\text{H} + ${1}^{2}\text{H}$ ⟶ ${}_2^4\text{He}${2}^{4}\text{He} + ${0}^{1}\text{n}$ + γ