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1. |
In under damped vibrating system, if x‚ÇÅ and x‚ÇÇ are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to$ |
A. | x‚ÇÅ/x‚ÇÇ |
B. | log(x‚ÇÅ/x‚ÇÇ) |
C. | loge(x‚ÇÅ/x‚ÇÇ) |
D. | log(x‚ÇÅ.x‚ÇÇ) |
Answer» C. loge(x‚Äö√á√Ö/x‚Äö√á√á) | |