STANDARDPhysics-Oscillations
STANDARD Physics Simple Harmonic Motion MCQ Question
Type: MCQ-conceptual-Medium-Class 11
A simple harmonic motion is represented by y = 5(sin3πt + √3 cos3πt) cm. The amplitude and time period of the motion are
A
5 cm, 3/2 s
B
10 cm, 2/3 s
C
5 cm, 2/3 s
D
10 cm, 3/2 s
Correct Answer
Option B
Detailed Explanation
The given equation can be rewritten as y = 10 sin(3πt + π/3), indicating an amplitude A = 10 cm. The angular frequency ω = 3π, so the time period T = 2π/ω = 2/3 s.
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