Practicing Success
CUET Preparation Today
CUET
Physics
Nuclei
If the speed of light were 2/3 of its present value, the energy released in a given atomic explosion will be decreased by a fraction
2/3
4/9
3/4
5/9
Energy $\propto c^2$ ; ∴ Decrease in energy $\propto \frac{4}{9}$.