Chapter 10: Optical Instruments

This is a tenth chapter of the book Physics 11 published by Punjab Curriculum and Textbook Board, Lahore, Pakistan.

After studying this chapter the students will be able to:

• Recognize the term least distance of distinct vision.
• Understand the terms magnifying power and resolving power.
• Drive expression for magnifying power of simple microscope, compound microscope and astronomical telescope.
• Understand the working of spectrometer.
• Describe Michelson rotating mirror method to find the speed of light.
• Undersund the principle of optical fibres.
• Identify the types of optical fibres.
• Appreciate the applications of optical fibres.