Class 6 Science – Chapter 11
Light, Shadows and Reflections | NCERT Complete Notes
STAGE 0: Foundation / Basics
What is this Chapter About?
This chapter explains light, how shadows are formed, and how we see reflections in mirrors. It helps children understand everyday experiences like shadows in sunlight and images in mirrors.
Why Should We Learn This Chapter?
- To understand how light helps us see objects
- To know why shadows are formed
- To learn about mirrors and reflections
Basic Meanings
Light: A form of energy that enables us to see objects.
Shadow: A dark patch formed when light is blocked.
STAGE 1: Complete Chapter Explanation
Luminous and Non-Luminous Objects
- Luminous objects: Give out light (Sun, candle)
- Non-luminous objects: Do not give out light (table, book)
Transparent, Translucent and Opaque Objects
- Transparent: Allow light to pass through (glass, water)
- Translucent: Allow some light to pass (butter paper)
- Opaque: Do not allow light to pass (wood, metal)
Shadow Formation
A shadow is formed when an opaque object blocks the path of light. Three things are needed to form a shadow:
- Source of light
- Opaque object
- Screen
Characteristics of Shadows
- Shadow is always dark
- Shadow shows the shape of the object
- Shadow does not show colour
Reflection
Reflection is the bouncing back of light from a smooth surface like a mirror.
Image Formed by a Plane Mirror
- Image is upright
- Image is of the same size as the object
- Image shows left-right reversal
STAGE 2: NCERT Textbook Questions & Answers
Q1. What is a luminous object?
Answer: An object that gives out light is called a luminous object.
Q2. What is a shadow?
Answer: A dark patch formed when light is blocked by an object is called a shadow.
Q3. Name the three things required to form a shadow.
Answer: Source of light, opaque object, and screen.
Q4. What is reflection?
Answer: Reflection is the bouncing back of light from a surface.
STAGE 3: Previous Exam Questions & Answers
Previous Exam Question:
List any three characteristics of the image formed by a plane mirror.
Answer:
The image formed by a plane mirror is upright, same size as the object,
and shows left-right reversal.
Exam Insight:
Questions on shadows and mirror images are frequently asked in Class 6 exams.
Shaktimatha CBSE Learning
Simple • Kid-Friendly • NCERT Aligned
1. Food – Where Does It Come From?
2. Components of Food
3. Fibre to Fabric
4. Sorting Materials into Groups
5. Separation of Substances
6. Changes Around Us
7. Getting to Know Plants
8. Body Movements
9. The Living Organisms and Their Surroundings
10. Motion and Measurement of Distances
11. Light, Shadows and Reflections
Class 6 Science – Complete NCERT Notes Library
Welcome to Shaktimatha CBSE Learning.
Here you will find complete Class 6 Science NCERT notes,
explained in a simple, clear, and student-friendly way.
✔ Concept based learning
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✔ Perfect for revision
Chapter 1: Components of Food
View NotesChapter 2: Fibre to Fabric
View NotesChapter 3: Sorting Materials into Groups
View NotesChapter 4: Separation of Substances
View NotesChapter 5: Changes Around Us
View NotesChapter 6: Getting to Know Plants
View NotesChapter 7: Body Movements
View NotesChapter 8: Living Organisms and Their Surroundings
View NotesChapter 9: Motion and Measurement of Distances
View NotesChapter 10: Light, Shadows and Reflections
View NotesChapter 11: Electricity and Circuits
View NotesChapter 12: Fun with Magnets
View NotesChapter 13: Water
View NotesChapter 14: Air Around Us
View Notes🔁 Science Revision & How to Study
Class 6 Science – Revision Guide & Study Tips
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Class 6 Science – Complete NCERT Notes Library
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