Class 7 Science MCQs - Chapter 24
Sound Waves MCQ (Multiple Choice Questions) PDF - 30
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Sound Waves Questions & Answers PDF Download: MCQ Quiz 30
MCQ 146: The louder the sound, the more
MCQ 147: Unwanted or unpleasant sounds are known as
MCQ 148: Some whales produce songs that travel for about
MCQ 149: In air, the speed of sound is
MCQ 150: Bats use ultrasound to find its
Class 7 Science Mock Tests
Sound Waves Learning App & Free Study Apps
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