KVPY2012PhysicsNuclear Physics
₉₂²³⁸ U atom disintegrates to ₈₄²¹⁴ Po with a half life of 4.5 10⁹ years by emitting six alpha particles and n electrons. Here n is -
Options
- A6
- B4
- C10
- D7
Correct answer
B. 4
Step-by-step solution
array l ₉₂²³⁸ U ₈₄²¹⁴ Po +6 + ne ⁻ 92=84+12- n n =4 array