For photons of 50 kev, 500 kev, and 5 mev, what will be the most likely initial interaction with tissuc?

This is what i found on google “according to the collision theory, the following criteria must be met in order for a chemical reaction to occur: molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break. molecules must collide with the proper orientation.” i hope this information you.

Depotion can i think