Class 7 NCERT • Curiosity Science Portal
Ch 11: Light: Shadows and Reflections
Select a topic or study module below to explore rectilinear propagation of light, shadow formation, the pinhole camera, plane mirror reflection and lateral inversion, periscopes and kaleidoscopes, NCERT solutions, and quizzes.
Topic 01 • Sources & Straight-Line Path
Luminous vs Non-Luminous Objects, 3-Cardboard & Bent Pipe Straight-Line Activities
Topic 02 • Materials & Shadows
Transparent, Translucent & Opaque Objects, Shadow Formation & Puppetry
Topic 03 • Pinhole Camera
Making a Sliding Pinhole Camera, Inverted Coloured Images & Shadow vs Image
Topic 04 • Plane Mirror Reflection
Reflection by Shiny Surfaces, Plane Mirror Image Properties & Lateral Inversion
Topic 05 • Periscope & Kaleidoscope
Two-Mirror Periscope (Submarines & Bunkers) & Three-Mirror Kaleidoscope Patterns
Module 06 • Solutions & HOTS