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


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