MCQ
The instantaneous displacement of an oscillating spring is $y=5 \sin \left(0.2 \pi t+\frac{\pi}{2}\right) m$ its period of oscillations is :
- A1.57 second
- B5 second
- C0.2 second
- ✓10 second
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
(Speed of sound $v = 340\, m/s$)

