NEET2020PhysicsOscillationsActual
The phase difference between displacement and acceleration of a particle in a simple harmonic motion is:
Options
- A3 π 2 rad
- Bπ 2 rad
- Czero
- Dπ   rad
Correct answer
D. π   rad
Step-by-step solution
Displacement ( x ) equation of SHM x = A sin ( ω t + ϕ ) ....(1) d x d t = A ω cos ω t + ϕ acceleration a = d 2 x d t 2 a = - ω 2 A sin ω t + ϕ a = ω 2 A sin ω t + ϕ + π ....(2) from (1) & (2), phase difference between displacement and acceleration is π .