Sound Waves: Characteristics and ApplicationsPractice Questions & MCQs
Practice Sound Waves: Characteristics and Applications questions for Class 9 Science - important MCQs and practice questions with answers and step-by-step solutions. Solve the sample Sound Waves: Characteristics and Applications questions below, then get the full set free on the RankByte app.
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Sound Waves: Characteristics and ApplicationsQuiz - Solve & Score
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Q1. Which sequence correctly describes how a drum produces sound that you hear?
- A.drum skin vibrates -> air compressions and rarefactions -> ear detects them
- B.ear vibrates first -> air -> drum
- C.light from the drum -> air -> ear
- D.drum stays still -> air moves -> sound
Answer: A. drum skin vibrates -> air compressions and rarefactions -> ear detects them
Q2. Which best explains why sound cannot be used to communicate directly between two spacecraft in open space?
- A.space is essentially a vacuum with no medium to carry sound
- B.sound travels too slowly in space
- C.space is too cold for sound
- D.the spacecraft block all sound
Answer: A. space is essentially a vacuum with no medium to carry sound
Q3. Which is described: 'produced by a vibrating object'?
- A.Sound
- B.Vacuum
- C.Longitudinal wave
- D.Compression
Answer: A. Sound
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