MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the statements is NOT correct? |
| A. | The velocity of sound in air increases with the increase of temperature |
| B. | The velocity of sound in air is independent of pressure |
| C. | The velocity of sound in air decreased as humidity increases |
| D. | The velocity of sound in air is not affected by the change in amplitude and frequency |
| Answer» D. The velocity of sound in air is not affected by the change in amplitude and frequency | |