MCQOPTIONS
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| 1. |
In ordinary talk, amplitude of the vibration approximately |
| A. | \[\text{1}0.\text{7}\]metres |
| B. | \[\text{1}0.\text{9}\]metres |
| C. | \[\text{1}0.\text{11}\]metres |
| D. | \[\text{1}0.\text{13}\]metres |
| Answer» C. \[\text{1}0.\text{11}\]metres | |