Why do plane mirrors and convex mirrors form only virtual images?

a) because they cannot make light rays converge
b) because they cannot make light rays converge
c) because they both show a wide angle of view
d) because they only reflect light

Which of the following is a characteristic shared by both electron and light microscopes? a. they both employ the use of objective lenses. b. both microscopes require an internal camera to visualize the specimen. c. both microscopes have a resolving power of 0.01 nm. d. they both utilize white light to magnify the specimen.