Class 7 Science MCQs - Chapter 24
Sound Waves Multiple Choice Questions (MCQs) PDF Download - 17
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The Multiple Choice Question (MCQ Quiz): If we put our ear by the wall, we will; "Sound Waves" App Download (Free) with answers hear everything from other side, not hear anything, some sounds from other side but not clearly and noise of traffic, aircrafts and machines to learn online homeschool courses. Solve speed of sound quiz questions, download Google eBook (Free Sample) for distance learning classes.
Sound Waves Questions & Answers PDF Download: MCQ Quiz 17
MCQ 81: If we put our ear by the wall, we will
- not hear anything
- hear everything from other side
- some sounds from other side but not clearly
- noise of traffic, aircrafts and machines
MCQ 82: Short waves have
- low energy
- high energy
- same energy as long waves
- low frequency
MCQ 83: Musical sounds are organized into
- notes
- pitch
- wave fronts
- phases
MCQ 84: If frequency of sound wave is 100 Hz, it will send
- 1 wave in 100 seconds
- 2 waves in 50 seconds
- 100 waves in one second
- 50 waves in two seconds
MCQ 85: As we turn older, our ears get
- less sensitive to low pitched sound
- more sensitive to low pitched sound
- less sensitive to high pitched sound
- more sensitive to high pitched sound
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