The displacement of a damped harmonic oscillator is given by x(t) = e^ -0.1t (10 t + ). Here t is in seconds....

Question

The displacement of a damped harmonic oscillator is given by x(t) = e^ -0.1t (10 t + ). Here t is in seconds. The time taken for its amplitude of vibration to drop to half of its initial value is close to:

Accepted Answer

(C)

JEE Main 2019 Physics question

Solution