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) x1/x2
b) log (x1/x2)
c) ln (x1/x2)
d) log (x1.x2)
side of the mean position, then the logarithmic decrement is equal to
a) x1/x2
b) log (x1/x2)
c) ln (x1/x2)
d) log (x1.x2)