engineering recuitment BHEL Engineer Trainee Mock Test 2025 Mechanical Vibrations Damped Free Vibration Logarithmic Decrement
In a viscous damping vibrating system the amplitude of vibration reduces to 0.125 of its initial value after six oscillations. What will be the ratio of amplitudes after eighth oscillation to that of after fourth oscillation?
1
0.125
2
0.25
3
0.5
4
0.75