Question

1. which of the following kinds of waves is most commonly used to treat cancer?

○ microwaves
○ gamma rays
○ infrared
○ x - rays

Explanation:

Gamma - rays are highly energetic and can penetrate deep into the body to target cancer cells. X - rays are also used in cancer treatment but gamma - rays are more commonly used in some advanced radiation therapy techniques like gamma - knife surgery. Infrared and microwaves are not typically used for treating cancer as they do not have the necessary energy to damage cancer cells effectively.

Answer:

Gamma rays