Chapter 30, Problem 11A

What type of lenses are used in a compound microscope?

To determine

To state: The type of lenses used in compound microscope.

Explanation of Solution

Introduction:

A microscope is an optical microscope which is used to see the magnified image of a tiny object and it uses a convex lens of short focal length.

A compound microscope is an optical instrument which is used to enlarge the image of any sample and uses two lenses. The term ‘compound’ refers to having more than one. This microscope contains two lenses: first one called objective lens is capable of forming a real image of an object which is placed close to the lens. The second lens called the eyepiece, it forms a virtual and magnified image of the image obtained from the objective lens. In this way, a compound microscope forms image of an image formed by the objective lens.

  

Conclusion:

Hence, a compound microscope uses two converging lenses.