Class 7 Science MCQs - Chapter 23
Sound Waves Multiple Choice Questions (MCQ) PDF Download - 30
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The Sound waves Multiple Choice Questions (MCQ Quiz) with Answers PDF (Sound Waves MCQ PDF e-Book) download Ch. 23-30 to learn Grade 7 Science Course. Study Volume and Amplitude Multiple Choice Questions and Answers (MCQs) PDF, Sound Waves Quiz Questions and Answers to study online classes courses. The Sound Waves MCQ App Download: Grade 7 Science Learning App [Free] for volume and amplitude, sound waves and noise, speed of sound, sound waves and echoes test prep for online certifications.
The MCQs: The louder the sound, the more; "Sound Waves" App (Android, iOS) with answers: the wavelength, the wave front, the energy, and the frequency to study online classes courses. Practice Volume and Amplitude MCQ Questions, download Apple e-Book (Free Sample) for virtual elementary school.
Sound Waves MCQs with Answers PDF Download: Quiz 30
The louder the sound, the more
- the wave front
- the wavelength
- the energy
- the frequency
Unwanted or unpleasant sounds are known as
- music
- noise
- laugh
- yawn
Some whales produce songs that travel for about
- 1 kilometer
- 2 kilometers
- 50 kilometers
- 100 kilometers
In air, the speed of sound is
- 3000 m/s
- 300 m/s
- 3300 m/s
- 330 m/s
Bats use ultrasound to find its
- home
- predator
- prey
- baby
Class 7 Science Mock Tests
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