Chapter 6 of 32
Concept Maps
Refraction of Light at spherical surfaces: Lenses — Concept Maps
ICSE · Class 12 · Physics
4 concept maps of Refraction of Light at spherical surfaces: Lenses for ICSE Class 12 Physics, each also written out as a text outline.
39 questions32 flashcards8 formulas & key relations5 concepts
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4 Concept Maps
Chapter Overview: Refraction at Spherical Surfaces and Lenses
The map in words
- root((Refraction at
- Spherical Surfaces
- and Lenses))
- Sign Convention
- Origin at Optical Centre
- Right side Positive
- Left side Negative
- Object always at left
- Spherical Refracting Surface
- Formula n2 by v minus n1 by u
- Rarer to Denser
- Denser to Rarer
- First and Second Focus
- Types of Lenses
- Convex Converging
- Biconvex
- Planoconvex
- Concavoconvex
- Concave Diverging
- Biconcave
- Planoconcave
- Convexoconcave
- Convex Converging
- Key Formulas
- Lens Makers Formula
- Thin Lens Formula
- Magnification
- Power of Lens
- Image Formation
- Convex Lens
- 6 Object Positions
- Real and Virtual Images
- Concave Lens
- Always Virtual Erect Diminished
- Convex Lens
- Combinations
- Lenses in Contact
- Lenses Separated
- Lens and Mirror
- Silvered Lens
- Sign Convention
Flowchart showing the coordinate geometry sign convention for measuring distances in lens optics
The map in words
- Optical Centre O
- Principal Axis
- Right of O: Positive
- Real Image Distance v positive
- Left of O: Negative
- Virtual Image Distance v negative
- Right of O: Positive
- Y-axis Perpendicular
- Above Axis: Positive
- Below Axis: Negative
- Principal Axis
Flowchart showing the selection and application of refraction formula based on object position
The map in words
- Spherical Refracting Surface
- Object Position
- Rarer Medium: Apply: n₂/v - n₁/u = n₂-n₁/R
- Real or Virtual Image
- Check Signs
- v positive: Real Image
- v negative: Virtual Image
- Check Signs
- Real or Virtual Image
- Denser Medium: Apply: n₁/v - n₂/u = n₁-n₂/R
- Rarer Medium: Apply: n₂/v - n₁/u = n₂-n₁/R
- Object Position
Refraction of light through spherical surfaces and thin lenses
The map in words
- Refraction of light through spherical surfaces and thin lenses
- Coordinate geometry sign convention
- Refraction at spherical surfaces
- Lens as an optical device
- Optical centre and foci of a lens
- Lens maker's formula
- Lens formula and magnification
- Power of a lens
- Combination of thin lenses
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Explore DiagramsFrequently Asked Questions
What are the important topics in Refraction of Light at spherical surfaces: Lenses for ICSE Class 12 Physics?
Key topics in Refraction of Light at spherical surfaces: Lenses include Sign Convention and Basic Geometry, Refraction at a Spherical Surface, Foci of a Spherical Refracting Surface, Lenses, Optical Centre, and Types. Study these first, then practise questions on each for the ICSE Class 12 board exam.
What do the concept maps for Refraction of Light at spherical surfaces: Lenses show?
The 4 maps show how the ideas in Refraction of Light at spherical surfaces: Lenses connect: Chapter Overview: Refraction at Spherical Surfaces and Lenses; Flowchart showing the coordinate geometry sign convention for measuring distances in lens optics. Each map is also written out as an outline on this page.
How should I revise Refraction of Light at spherical surfaces: Lenses for the ICSE Class 12 board exam?
Learn the core ideas first, then work through the 39 practice questions on Refraction of Light at spherical surfaces: Lenses. Revise definitions regularly and use flashcards for quick recall before the exam.
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Important Questions
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Formula Sheet
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Chapter Summary
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Study Plan
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Syllabus
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