Concept Map — Chapter 11

Last updated at July 13, 2026 by

💡 Tap any box to read it. The map shows how the chapter's ideas connect.
Light: Shadows and Reflections Chapter 11 · Class 7 Sources & Straight Light 11.1, 11.2 Materials & Shadows 11.3, 11.4 Reflection & Images 11.5, 11.6 Pinhole & Useful Items 11.7, 11.8 Reflection of Light mirror changes direction Plane Mirror Image erect, laterally inverted Pinhole Camera inverted image
Light: Shadows and Reflections
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11.1 Sources of Light
Luminous vs non-luminous objects
11.2 Straight Line
Light travels in a straight line
11.3 Materials
Transparent, translucent, opaque
11.4 Shadows
Opaque object blocks light
11.5 Reflection
A mirror changes light's direction
11.6 Mirror Image
Erect, same size, laterally inverted
11.7 Pinhole Camera
Forms an inverted image
11.8 Useful Items
Periscope and kaleidoscope
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