MCQOPTIONS
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| 1. |
A normal human ear can hear a sound only if its frequency lies between |
| A. | 30 Hz to 30,000 Hz |
| B. | 50 Hz to 50,000 Hz |
| C. | 20 Hz to 20,000 Hz |
| D. | 10 Hz to 10,000 Hz |
| Answer» D. 10 Hz to 10,000 Hz | |