Find the volume v of the described solid s. the base of s is a circular disk with radius 2r. parallel cross-sections perpendicular to the base are squares.

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.