Class 7 Science MCQs - Chapter 23
Sound Waves Trivia Questions & Answers PDF Download - 32
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The Sound waves Trivia Questions and Answers PDF (sound waves Quiz Answers PDF e-Book) download Ch. 23-32 to study Grade 7 Science Course. Practice Frequency and Pitch MCQ PDF, Sound Waves Quiz Questions and Answers to study online school courses. The Sound Waves Trivia App Download: Free certification app for frequency and pitch, all around sounds test prep for school certificate.
The Quiz: An animal that can hear sounds with low frequency than human ear is; "Sound Waves" App APK Download with answers: Pigeon; Whale; Snake; Dog; to study online school courses. Practice Frequency and Pitch MCQ Questions, download Kindle eBook (Free Sample) for online certifications.
Sound Waves Test Questions and Answers PDF Download: MCQ 32
An animal that can hear sounds with low frequency than human ear is
- whale
- pigeon
- snake
- dog
In air, change in pressure produces
- sound waves
- vibrations
- light waves
- thermal energy
Class 7 Science Mock Tests
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