Class 7 Science MCQs - Chapter 24
Sound Waves Multiple Choice Questions PDF Download - 9
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The Multiple Choice Question (MCQ Quiz): Measure of decibel starts from; "Sound Waves" App Download (Free) with answers 20, 0, 20000 and 10 to study distance learning courses. Solve sound waves and noise quiz questions, download Google eBook (Free Sample) for online school classes.
Sound Waves Questions & Answers PDF Download: MCQ Quiz 9
MCQ 41: Measure of decibel starts from
MCQ 42: The mixture of high and low sounds is called a
MCQ 43: Echoes are formed when sound
MCQ 44: The use of echo to measure distance is known as
MCQ 45: In a flute, the length of air cutting through the holes is changed by
Class 7 Science Mock Tests
Sound Waves Learning App & Free Study Apps
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