Optical Instruments

Physics · Chapter 16 · Unit 6: Optics

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Your path through this chapter

1
Visual lesson Beta
1. Part 1: Simple and compound microscopes17 slides
2. Part 2: Telescopes and resolving power19 slides
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Notes Beta
5 sections with key terms, formulas and exam tips.
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Flashcards Beta
30 cards for quick recall of key terms and facts.
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Practice
68 board-style questions with instant checks: Short answer 17, Numerical 16, Multiple choice 15, Assertion and reason 5.
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Chapter test Free
Short and long chapter tests in board pattern, with results and analysis.
- Chapter test (long) — Optical Instruments · 40 marks · 100 min
- Chapter test (short) — Optical Instruments · 20 marks · 50 min
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Simple microscope: ray diagram and magnifying power with image at D and at infinity
Compound microscope: ray diagram and magnifying power with final image at D; expression for image at infinity
Refracting astronomical telescope: ray diagrams and magnifying power with final image at infinity and at D
Reflecting telescope (image at infinity); advantages over refracting telescopes
Resolving power of a compound microscope; advantages, disadvantages and uses of optical instruments