ЁЯМЯ Class 7 Science Curiosity – Chapter 11 Solutions
ЁЯФж Light: Shadows and Reflections | Amresh Academy
✍️ ЁЯФ╣ 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.
ЁЯза ЁЯФ╣ Short Answer Type Questions
What is the difference between transparent, translucent, and opaque objects?
ЁЯСЙ Answer:
- ЁЯФН Transparent → Light passes completely (glass)
- ЁЯМл️ 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?
ЁЯУЦ ЁЯФ╣ 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?
ЁЯЪА ЁЯФ╣ 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 ЁЯМН
Can a small mirror form the image of a large object?
