Question Paper
Class / Subject: Class 10 (ICSE) · Physics
Chapter: Chapter 6 — Chapter 6: Spectrum
Time Allowed: 32 minutes
Max Marks: 16
1. What is dispersion? [1]
(A) Splitting of white light into component colours
(B) Bending of light in one direction only
(C) Absorption of all light
(D) Reflection of light only
2. What does VIBGYOR represent? [1]
(A) The colours of the spectrum
(B) A type of lens
(C) A type of mirror
(D) A physics law
3. Which colour bends the most? [1]
(A) Violet
(B) Red
(C) Green
(D) Yellow
4. Which colour bends the least? [1]
(A) Red
(B) Violet
(C) Blue
(D) Indigo
5. Why do different colours bend differently? [1]
(A) They have different wavelengths
(B) They have the same wavelength
(C) Colour doesn't affect bending
(D) No specific reason
6. What causes a rainbow? [1]
(A) Dispersion and internal reflection in water droplets
(B) Only reflection
(C) Only refraction
(D) Only absorption
7. What splits white light in a lab setting? [1]
(A) A prism
(B) A mirror only
(C) A lens only
(D) A flat glass
8. Why learn about the spectrum? [1]
(A) To understand natural phenomena and light's nature
(B) No reason
(C) It's not useful
(D) Only for tests
9. What is dispersion? [1]
(A) Splitting of white light into component colours
(B) Bending of light in one direction only
(C) Absorption of all light
(D) Reflection of light only
10. What does VIBGYOR represent? [1]
(A) The colours of the spectrum
(B) A type of lens
(C) A type of mirror
(D) A physics law
11. Which colour bends the most? [1]
(A) Violet
(B) Red
(C) Green
(D) Yellow
12. Which colour bends the least? [1]
(A) Red
(B) Violet
(C) Blue
(D) Indigo
13. Why do different colours bend differently? [1]
(A) They have different wavelengths
(B) They have the same wavelength
(C) Colour doesn't affect bending
(D) No specific reason
14. What causes a rainbow? [1]
(A) Dispersion and internal reflection in water droplets
(B) Only reflection
(C) Only refraction
(D) Only absorption
15. What splits white light in a lab setting? [1]
(A) A prism
(B) A mirror only
(C) A lens only
(D) A flat glass
16. Why learn about the spectrum? [1]
(A) To understand natural phenomena and light's nature
(B) No reason
(C) It's not useful
(D) Only for tests