If a `H_2` nucleus is completely converted into energy, the energy produced will be around.

If mass equivalent to one mass of proton is completely converted into energy then determine the energy produced?

When the mass equal to 1 a.m.u. is converted into energy, the energy produced is

Solar energy is converted into chemical energy in

Show that the potential energy of a body is completely converted into kinetic energy during its free fall under the gravity.