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Class 7 Science MCQs – Practice Test 26 (Chapter 23)
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Study Sound waves Multiple Choice Questions (MCQ Quiz) with Answers PDF to practice remote science tasks. Download the Sound Waves MCQ PDF e-Book, Ch. 23-26 to learn Class 7 Science Course. Study Sound Waves and Echoes Multiple Choice Questions and Answers (MCQs) PDF, Sound Waves Quiz Questions and Answers for science remote learning support. Download the Sound Waves MCQ App: Free Class 7 Science Learning App to learn sound waves and echoes, waves of energy, frequency and pitch, speed of sound, vibrations and sound waves test prep for science digital learning networks.
Free Sound Waves Learning App Download (Android & iOS): When sound travels, the air molecules vibrate; MCQ with answers: perpendicular to the sound direction, parallel to the sound direction, opposite to the sound direction, and in the direction of the sound. Practice Sound Waves and Echoes MCQ Questions, download Apple Book (Free Chapter) to practice remote science tasks.
MCQ 126: 'Dolphins' can capture their prey using:
MCQ 127: When sound travels, the air molecules vibrate:
MCQ 128: The highest level of frequency which human ear can detect is:
MCQ 129: Sound travels fastest in:
MCQ 130: A hand bell stimulates the:
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Class 7 Science MCQ e-Book PDF
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