Class 7 Science MCQs - Chapter 23
Sound Waves Multiple Choice Questions (MCQs) PDF Download - 13
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The Sound waves Multiple Choice Questions (MCQs) with Answers PDF (sound waves MCQs PDF e-Book) download Ch. 23-13 to study Grade 7 Science Course. Learn Sound Waves Quiz Questions and Answers to learn online certification courses. The Sound Waves MCQs App Download: Free learning app for musical instruments, speed of sound, frequency and pitch, all around sounds test prep for online certificate courses.
The Multiple Choice Question (MCQ): One example of string instrument is; "Sound Waves" App Download (Free) with answers: Drum; Piano; Saxophone; Trombone; to learn online certification courses. Solve Musical Instruments MCQ Questions, download Google eBook (Free Sample) for free online classes.
Sound Waves MCQs with Answers PDF Download: Quiz 13
One example of string instrument is
- piano
- drum
- saxophone
- trombone
The speed of sound in glass is
- 2000 m/s
- 6000 m/s
- 10000 m/s
- 14000 m/s
The microphone changes the sound waves into
- mechanical signals
- electrical signals
- light signals
- wave signals
Sounds are chiefly produced by
- friction
- energy
- vibration
- disturbance
The distance between two points of a wave in a phase is known as
- wave front
- frequency
- amplitude
- wavelength
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