Question
Question: If in a nuclear fission, piece of uranium of mass 0.5 g is lost, the energy obtained in kWh is....
If in a nuclear fission, piece of uranium of mass 0.5 g is lost, the energy obtained in kWh is.
A
1.25×107
B
2.25×107
C
3.25×107
D
0.25×107
Answer
1.25×107
Explanation
Solution
E=Δmc2=0.5×10−3×(3×108)2=4.5×1013j
⇒E=3.6×1064.5×1013=1.25×107kWH.