Class 7 Science MCQs - Chapter 24
Sound Waves Multiple Choice Questions (MCQ) PDF - 16
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Sound Waves Questions & Answers PDF Download: MCQ Quiz 16
MCQ 76: Sound travels more fast in
- air
- liquids
- solids
- all of above
MCQ 77: Sound cannot travel in vacuum because
- there is no pressure in vacuum
- there is no air in vacuum
- there is no humidity in vacuum
- there are no particle in vacuum
MCQ 78: Sound created by musical instruments is amplified by
- increasing string vibration
- decreasing string vibration
- wooden sound box
- metallic sound box
MCQ 79: The length of air cutting is changed by
- valves
- fingers
- valves and fingers
- hands
MCQ 80: An example of stringed instruments is
- guitar
- saxophone
- drum
- flute
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Sound Waves MCQ Book Questions
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