Light MCQs Class 7 with Answers
Light – MCQs with Answers & Explanations
Class: CBSE Class 7
Subject: Science
Section: Light
Topic: Light MCQs Class 7 with Answers
Board: CBSE Board Examination
Subject: Science
Section: Light
Topic: Light MCQs Class 7 with Answers
Board: CBSE Board Examination
These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 7 Science examination preparation. Each question includes detailed explanations for concept clarity.
1. Objects that emit their own light are called:
Answer: a) Luminous objects
Luminous objects like the Sun and electric bulbs produce their own light.
Luminous objects like the Sun and electric bulbs produce their own light.
2. Objects that do not produce light are:
Answer: b) Non‑luminous
They are visible only when light falls on them.
They are visible only when light falls on them.
3. Light travels in:
Answer: c) Straight line
This property is called rectilinear propagation of light.
This property is called rectilinear propagation of light.
4. Image formed by a plane mirror is:
Answer: c) Virtual
Plane mirrors form erect, virtual images.
Plane mirrors form erect, virtual images.
5. Reflection of light occurs when light:
Answer: b) Bounces back
6. Smooth surfaces produce:
Answer: a) Regular reflection
7. Rough surfaces cause:
Answer: b) Diffused reflection
8. Periscope works on:
Answer: b) Reflection
9. Kaleidoscope uses:
Answer: a) Mirrors
10. Angle of incidence equals:
Answer: a) Angle of reflection
11. Lateral inversion means:
Answer: b) Sideways change
12. Transparent objects allow:
Answer: c) All light
13. Translucent objects allow:
Answer: b) Some light
14. Opaque objects allow:
Answer: c) No light
15. Image in plane mirror is:
Answer: a) Same size
16. Multiple reflections occur in:
Answer: c) Both
17. Light cannot pass through:
Answer: c) Wood
18. Reflection from mirror is:
Answer: a) Regular
19. Device to see above obstacles:
Answer: c) Periscope
20. Sun is a:
Answer: b) Luminous