Ans. COMPOUND MICROSCOPE
A compound microscope has two converging sets of lens, the objective and the eyepiece.
Features of Compound Microscope
Following are some features of a compound microscope:
1. It gives greater magnification than a single lens.
2. The objective lens has a short focal length, f0 < 1 cm.
3. The eyepiece has a focal length. F e of a few cm.
Uses of Compound Microscope
A compound microscope is used to study bacteria and other micro objects. It is used for research in several fields of sciences like, Microbiology, Botany, Geology, and Genetics.