🌟 Class
7 Science Curiosity – Chapter 11 Solutions
🔦 Light:
Shadows and Reflections | Amresh Academy
✍️ 🔹 Very
Short Answer Type Questions
What are luminous objects?
Does the Moon produce its own light?
In which direction does light travel?
What kind of materials form clear shadows?
Name the mirror that forms erect, laterally
inverted images.
🧠 🔹 Short
Answer Type Questions
What is the difference between transparent,
translucent, and opaque objects?
👉 Answer:
- 🔍
Transparent → Light passes completely
(glass)
- 🌫️
Translucent → Partial light passes
(butter paper)
- ⬛ Opaque →
Blocks light completely (wood)
How does light create shadows?
What is reflection of light?
Why is ‘AMBULANCE’ written in reverse on
emergency vans?
What is lateral inversion?
📖 🔹
Descriptive Answer Type Questions
Describe the image formed by a plane mirror.
- Virtual
- Erect
- Same
size
- Laterally inverted➡️ Cannot be caught on screen
Explain how a pinhole camera works.
How do shadows change with the position of the
object and light?
- Near
light → Large shadow
- Near
screen → Small shadow
What are the three conditions needed to form a
shadow?
What is a periscope and how does it work?
🚀 🔹
Exploring Questions
Why don’t we see a bird’s shadow when it flies
high in the sky?
Why do objects in a kaleidoscope form multiple
patterns?
How is the image in a mirror different from that
in a pinhole camera?
How does the use of LED lights benefit society?
- Uses
less energy
- Long-lasting
- Eco-friendly
🌍
Can a small mirror form the image of a large
object?
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