Sound Multiple Choice Questions 22 PDF Download
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MCQs on Sound Quiz PDF Download Worksheets 22
MCQ. We can “see” sound waves by using
MCQ. Bats can hear frequencies up to
- 120,000 Hz
- 150,000 Hz
- 170,000 Hz
- 180,000 Hz
MCQ. Unit of intensity is
MCQ. Sounds which has jarring and unpleasant effect on our ears is called
- musical sounds
MCQ. Technique used to absorb noise by using soft and porous surfaces is called
- acoustic protection
- semi lunar protection