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The phase difference between the instantaneous velocity and acceleration of a particle executing simple harmonic motion is
Options
(a) π
(b) 0.707π
(c) zero
(d) 0.5π
Correct Answer:
0.5π
Explanation:
Let y = A sin ωt
vinst = dy/ dt = Aω cos ωt
vinst = Aω² sin (ωt + π/2)
Acceleration = – Aω² sin ωt = Aω²sin (π + ωt)
ɸ = π/2 = 0.5 π.
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Topics: Oscillations
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A stone is tied to a string of length l and whirled in a vertical circle with the other end
- The charge flowing through a resistance R varies with time t as Q=at-bt²,
- Three cells, each of e.m.f 1.5 V and internal resistance 1 ohm are connected in parallel
- The current flowing through a lamp marked as 50 W and 250 V is
- When two identical capacitors are in series, they have 3 μF capacitance
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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