Hydrogen bomb is an example (depends upon) of the process of _____?

Hydrogen bomb is an example (depends upon) of the process of _____?

ہائیڈروجن بم کس کے عمل کی ایک مثال ہے (انحصار کرتا ہے)؟
Explanation

The core principle behind a hydrogen bomb is the fusion of light atomic nuclei.

Specifically isotopes of hydrogen (deuterium and tritium), under extremely high temperatures and pressures.