Which applications, either for diagnostic purposes or for therapeutic purposes, involve the use of X-rays? Check all that apply. CT scan
MRI
radiography
brachytherapy
laser eye surgery
radioisotope imaging
external beam radiation therapy
fluoroscopy

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two

Diverging mirrors and lenses always produce images