1.

In under damped vibrating system, if x1 and x2 are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to

A. x<sub>1</sub>/x<sub>2</sub>
B. log (x<sub>1</sub>/x<sub>2</sub>)
C. loge (x<sub>1</sub>/x<sub>2</sub>)
D. log (x<sub>1</sub>.x<sub>2</sub>)
Answer» C. loge (x<sub>1</sub>/x<sub>2</sub>)


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