How can matter be converted into energy?
Matter can be converted into energy by annihilation, fission, and fusion.
These are mentioned in
Some examples are
Annihilation occurs when an electron and a positron meet. They annihilate each other and produce two γ ray photons, each with an energy of 511 keV.
Fission is a process in which a nucleus splits into two smaller nuclei. For example,
Fusion is a process in which two nuclei join to form a larger nucleus. For example,
Hope this helps.