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Concept Maps

Light Energy — Concept Maps

ICSE · Class 7 · Physics

4 concept maps of Light Energy for ICSE Class 7 Physics, each also written out as a text outline. Part of the ICSE Class 7 Physics syllabus.

45 questions34 flashcards3 formulas & key relations5 concepts

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A labeled diagram illustrating key terms associated with reflection: incident ray, reflected ray, normal, point of incidence, angle of incidence, and angle of reflection.
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4 Concept Maps

Light Energy — Complete Chapter Overview

Light Energy — Complete Chapter Overview

The map in words

  • Light Energy
    • Reflection of Light
      • Incident Ray
      • Reflected Ray
      • Normal
      • Angle of Incidence
      • Angle of Reflection
      • Laws of Reflection
        • Angle i equals Angle r
        • Same Plane
    • Types of Reflection
      • Regular Reflection
        • Smooth Surface
        • Plane Mirror
      • Irregular Reflection
        • Rough Surface
        • Wall or Paper
    • Plane Mirror
      • Image Characteristics
        • Virtual and Erect
        • Same Size
        • Laterally Inverted
        • Equal Distance
      • Uses
        • Dressing Mirror
        • Periscope
        • Kaleidoscope
    • Speed of Light
      • Air or Vacuum 3 times 10 to 8
      • Water 2.25 times 10 to 8
      • Glass 2 times 10 to 8
    • Colours of Light
      • VIBGYOR Spectrum
      • Primary Colours
        • Red Green Blue
      • Secondary Colours
        • Yellow Cyan Magenta
      • Colour of Objects
        • Reflects its colour
        • Absorbs rest

Light Energy – Chapter Overview Mind Map

Light Energy – Chapter Overview Mind Map

The map in words

  • Light Energy
    • Nature of Light
      • Form of energy
      • Rectilinear propagation
      • Causes shadows
      • Travels in vacuum
    • Reflection
      • Incident ray
      • Reflected ray
      • Normal
      • Angle of incidence
      • Angle of reflection
      • Laws of Reflection
        • First Law i equals r
        • Second Law same plane
    • Plane Mirror
      • Structure
        • Glass plate
        • Silvered surface
      • Image Characteristics
        • Virtual
        • Erect
        • Same size
        • Same distance
        • Laterally inverted
      • Lateral Inversion
        • Left becomes right
        • AMBULANCE example
    • Types of Reflection
      • Regular Reflection
        • Smooth polished surface
        • Parallel beam stays parallel
      • Diffused Reflection
        • Rough surface
        • Beam scatters
        • We see objects
    • Speed of Light
      • Air 3x10 to power 8 m per s
      • Water 2.25x10 to power 8 m per s
      • Glass 2x10 to power 8 m per s
    • Colours of Light
      • VIBGYOR spectrum
      • Rainbow formation
      • Primary Colours RGB
        • Red
        • Green
        • Blue
      • Secondary Colours
        • Yellow Red plus Green
        • Cyan Green plus Blue
        • Magenta Blue plus Red
      • Colour of Objects
        • Reflects its own colour
        • Absorbs rest
        • White reflects all
        • Black absorbs all

Light Energy - Concept Overview

Light Energy - Concept Overview

The map in words

  • Light Energy
    • Reflection of Light
      • Definition and Properties
      • Laws of Reflection
      • Plane Mirror
        • Image Formation
        • Characteristics
        • Lateral Inversion
      • Regular Reflection
      • Irregular Reflection
    • Speed of Light
      • In Vacuum and Air
      • In Different Media
      • Water and Glass
    • Color of Light
      • Primary Colors RGB
      • Secondary Colors
      • Color Addition
      • White Light Spectrum
      • VIBGYOR
    • Color of Objects
      • Reflection and Absorption
      • White Objects
      • Black Objects
      • Colored Objects
      • Transparent Objects

Light Energy and its behavior in reflection, image formation, speed, and colour mixing

Light Energy and its behavior in reflection, image formation, speed, and colour mixing

The map in words

  • Light Energy and its behavior in reflection, image formation, speed, and colour mixing
    • Light as energy
    • Reflection of light
    • Plane mirror
    • Real and virtual images
    • Lateral inversion
    • Regular and irregular reflection
    • Speed of light
    • Constituent colours of white light

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Frequently Asked Questions

What are the important topics in Light Energy for ICSE Class 7 Physics?
Key topics in Light Energy include Reflection of Light, Laws of Reflection and Ray Terms, Plane Mirror and Image Formation, Lateral Inversion and Mirror Uses. Study these first, then practise questions on each for Class 7 exams.
What do the concept maps for Light Energy show?
The 4 maps show how the ideas in Light Energy connect: Light Energy — Complete Chapter Overview; Light Energy – Chapter Overview Mind Map. Each map is also written out as an outline on this page.
How should I revise Light Energy for Class 7 exams?
Learn the core ideas first, then work through the 45 practice questions on Light Energy. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Light Energy

All ICSE Class 7 Physics Concept Maps

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