Question Paper
Class / Subject: Class 7 (ICSE) · Science
Chapter: Chapter 4 — Chapter 4: Light Energy
Time Allowed: 32 minutes
Max Marks: 16
1. How does light travel? [1]
(A) In straight lines
(B) In curves always
(C) Randomly
(D) It doesn't travel
2. What forms when an object blocks light? [1]
(A) A shadow
(B) A rainbow
(C) A reflection only
(D) Nothing
3. What is the law of reflection? [1]
(A) Angle of incidence equals angle of reflection
(B) Light always bends
(C) Light disappears at surfaces
(D) Angles are always different
4. What is refraction? [1]
(A) Light bending between mediums
(B) Light bouncing off surfaces
(C) Light disappearing
(D) Light staying straight always
5. What is an example of refraction? [1]
(A) A straw appearing bent in water
(B) A shadow forming
(C) A mirror reflecting light
(D) Sound travelling
6. What optical instrument uses light principles? [1]
(A) A telescope
(B) A calculator
(C) A speaker
(D) A thermometer
7. What does light help explain? [1]
(A) Shadows and rainbows
(B) Only sound
(C) Only gravity
(D) Nothing useful
8. Why study light energy? [1]
(A) It explains how we see and understand surroundings
(B) No reason
(C) It's not useful
(D) Only for tests
9. How does light travel? [1]
(A) In straight lines
(B) In curves always
(C) Randomly
(D) It doesn't travel
10. What forms when an object blocks light? [1]
(A) A shadow
(B) A rainbow
(C) A reflection only
(D) Nothing
11. What is the law of reflection? [1]
(A) Angle of incidence equals angle of reflection
(B) Light always bends
(C) Light disappears at surfaces
(D) Angles are always different
12. What is refraction? [1]
(A) Light bending between mediums
(B) Light bouncing off surfaces
(C) Light disappearing
(D) Light staying straight always
13. What is an example of refraction? [1]
(A) A straw appearing bent in water
(B) A shadow forming
(C) A mirror reflecting light
(D) Sound travelling
14. What optical instrument uses light principles? [1]
(A) A telescope
(B) A calculator
(C) A speaker
(D) A thermometer
15. What does light help explain? [1]
(A) Shadows and rainbows
(B) Only sound
(C) Only gravity
(D) Nothing useful
16. Why study light energy? [1]
(A) It explains how we see and understand surroundings
(B) No reason
(C) It's not useful
(D) Only for tests