Question Paper
Class / Subject: Class 8 (SSC) · Science (सामान्य विज्ञान)
Chapter: Chapter 15 — Chapter 15: Sound
Time Allowed: 32 minutes
Max Marks: 16
1. What produces sound? [1]
(A) Vibrations
(B) Only light
(C) Only heat
(D) Only colour
2. Can sound travel through a vacuum? [1]
(A) No
(B) Yes, easily
(C) Only sometimes
(D) Sound doesn't need a medium
3. What does sound need to travel? [1]
(A) A medium like air, water, or solid
(B) Nothing at all
(C) Only darkness
(D) Only sunlight
4. What determines pitch? [1]
(A) Frequency
(B) Amplitude only
(C) Colour
(D) Temperature
5. What does higher frequency mean for pitch? [1]
(A) Higher pitch
(B) Lower pitch
(C) No change in pitch
(D) No relationship exists
6. What determines loudness? [1]
(A) Amplitude
(B) Frequency only
(C) Colour
(D) Temperature
7. What is an example of a sound phenomenon? [1]
(A) An echo
(B) A rainbow
(C) A shadow
(D) A magnet's field
8. Why learn about sound properties? [1]
(A) To understand hearing and acoustic phenomena
(B) No reason
(C) It's not useful
(D) Only for tests
9. What produces sound? [1]
(A) Vibrations
(B) Only light
(C) Only heat
(D) Only colour
10. Can sound travel through a vacuum? [1]
(A) No
(B) Yes, easily
(C) Only sometimes
(D) Sound doesn't need a medium
11. What does sound need to travel? [1]
(A) A medium like air, water, or solid
(B) Nothing at all
(C) Only darkness
(D) Only sunlight
12. What determines pitch? [1]
(A) Frequency
(B) Amplitude only
(C) Colour
(D) Temperature
13. What does higher frequency mean for pitch? [1]
(A) Higher pitch
(B) Lower pitch
(C) No change in pitch
(D) No relationship exists
14. What determines loudness? [1]
(A) Amplitude
(B) Frequency only
(C) Colour
(D) Temperature
15. What is an example of a sound phenomenon? [1]
(A) An echo
(B) A rainbow
(C) A shadow
(D) A magnet's field
16. Why learn about sound properties? [1]
(A) To understand hearing and acoustic phenomena
(B) No reason
(C) It's not useful
(D) Only for tests