A permanent bar magnet is broken in half. The two pieces are interchanged, keeping their orientations fixed, as shown in the diagram. Do the pieces attract or repel?
А
Attract
B
No force at all
C
Repel

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.