Light, Shadows and Reflections – Class 6 MCQs
Light, Shadows and Reflections – Class 6 MCQs
Class: 6 | Subject: Science | Section: Light & Optics | Topic: Light, Shadows and Reflections | CBSE Board Examination
Instructions: These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 6 Science examination standard. Each question includes detailed explanation for concept clarity.
1. Which of the following is a natural source of light?
Answer: c) Sun
The Sun produces its own light naturally, making it the primary natural source of light for Earth.
The Sun produces its own light naturally, making it the primary natural source of light for Earth.
2. Objects that give out light are called:
Answer: a)
Luminous objects emit their own light, e.g., Sun, bulb.
Luminous objects emit their own light, e.g., Sun, bulb.
3. We can see objects because of:
Answer: b)
Light reflected from objects enters our eyes.
Light reflected from objects enters our eyes.
4. Shadow is formed when light is:
Answer: b)
Opaque objects block light forming shadows.
Opaque objects block light forming shadows.
5. Transparent objects allow:
Answer: c)
Example: clear glass.
Example: clear glass.
6. Translucent objects allow:
Answer: b)
Example: butter paper.
Example: butter paper.
7. Opaque objects:
Answer: c)
They form dark shadows.
They form dark shadows.
8. Image in plane mirror is:
Answer: b)
It cannot be obtained on screen.
It cannot be obtained on screen.
9. Reflection occurs when light:
Answer: b)
Mirror reflects light.
Mirror reflects light.
10. Shadow requires:
Answer: d)
Light source + opaque object + screen.
Light source + opaque object + screen.
11. Size of shadow depends on:
Answer: d)
All factors affect shadow size.
All factors affect shadow size.
12. Pin hole camera works on:
Answer: b)
Light travels in straight lines.
Light travels in straight lines.
13. Mirror image is laterally:
Answer: c)
Left-right reversal.
Left-right reversal.
14. Example of luminous object:
Answer: b)
Sun emits own light.
Sun emits own light.
15. Moon is non‑luminous because:
Answer: b)
It reflects Sun’s light.
It reflects Sun’s light.
16. Straight path of light is called:
Answer: b)
Basic property of light.
Basic property of light.
17. Shadow color is always:
Answer: b)
No light reaches there.
No light reaches there.
18. Image formed by mirror is:
Answer: b)
Plane mirror forms virtual image.
Plane mirror forms virtual image.
19. Solar eclipse occurs due to:
Answer: b)
Moon blocks sunlight.
Moon blocks sunlight.
20. Reflection helps us to:
Answer: b)
Mirrors reflect light forming images.
Mirrors reflect light forming images.