NCERT Light Chapter MCQs with Answers
NCERT Light Chapter MCQs with Answers
Class: 6 | Subject: Science | Section: Light & Optics | Topic: Light Chapter MCQs | 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 better concept clarity.
1. The main natural source of light on Earth is:
Answer: c)
The Sun emits its own light and is the primary natural source for Earth.
The Sun emits its own light and is the primary natural source for Earth.
2. Objects that emit light are:
Answer: b)
Luminous objects produce their own light.
Luminous objects produce their own light.
3. Moon is visible because it:
Answer: b)
Moon reflects light from the Sun.
Moon reflects light from the Sun.
4. Shadow forms due to:
Answer: b)
Opaque objects block light.
Opaque objects block light.
5. Transparent materials allow:
Answer: c)
Example: clear glass.
Example: clear glass.
6. Example of translucent object:
Answer: b)
Allows partial light.
Allows partial light.
7. Mirror works on:
Answer: b)
Light bounces back.
Light bounces back.
8. Plane mirror forms image that is:
Answer: b)
Cannot be obtained on screen.
Cannot be obtained on screen.
9. Left‑right reversal is:
Answer: b)
Mirror swaps sides.
Mirror swaps sides.
10. Shadow requires:
Answer: d)
All three essential.
All three essential.
11. Straight travel of light:
Answer: c)
Light travels straight.
Light travels straight.
12. Pinhole camera forms image that is:
Answer: b)
Due to straight line travel.
Due to straight line travel.
13. Luminous insect:
Answer: b)
Produces its own light.
Produces its own light.
14. Size of shadow depends on:
Answer: d)
All affect size.
All affect size.
15. Noon shadow is:
Answer: b)
Sun overhead.
Sun overhead.
16. Eclipse is related to:
Answer: b)
Large celestial shadows.
Large celestial shadows.
17. Artificial light source:
Answer: b)
Man‑made.
Man‑made.
18. Reflection helps us see:
Answer: b)
Mirror images.
Mirror images.
19. Shadow color is:
Answer: c)
No light present.
No light present.
20. We see objects due to:
Answer: b)
Light reflection enables vision.
Light reflection enables vision.
