(c) population 11. the main difference between sem and tem is (a) sem uses higher electron density (b) sem the electrons are reflected off the surface, in tem i

(C) Population 11. The main difference between SEM and TEM is (A) SEM uses higher electron density (B) SEM the electrons are reflected off the surface, in TEM it passes through (C) SEM uses secondary scatter to form image, TEM uses only primary scatter (D) All of the above