Chapter 10: Optical Instruments – Physics XI First Year Punjab Board

Physics is the study of nature, properties of matter, energy and its inter-conversion from one form to another. The subject of physics is considered as a poster child of mathematics because its roots have emerged from the field of Mathematics.


This is the tenth Chapter of XI PHYSICS titled ‘Geometrical Optics’. In the beginning of this Chapter we will study about the Applications of Lens like Simple Microscope, Compound Microscope and Astronomical Telescope. Then we will move towards the Introduction of Fibre Optics, its Principles and its types. We will also solve Examples (Numericals) to enhance our understanding about these topics.

These concepts will be easier for you in accordance with the below mentioned features:

  • Coverage of all the topics in detail.
  • Providing topic wise assessments to Students for real time evaluation and assignments for practicing the questions.
  • Topic wise Past Papers to demonstrate the importance of each topic.
  • Study Plan for the Students to set weekly targets.
  • WhatsApp group for student queries.


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