Oscillations and Periodic Motion, Periodic Functions,Simple Harmonic Motion and its Equation, Kinetic and potential Energies NEET Questions

Physics - Oscillations and Waves

Oscillations and Periodic Motion, Periodic Functions,Simple Harmonic Motion and its Equation, Kinetic and potential Energies MCQ Questions


13.
In SHM, the acceleration is zero when the displacement is:
A.
Half of amplitude
B.
Zero (at mean position)
C.
Maximum (at extreme)
D.
Equal to amplitude/√2
😑 View Answer Rough Work Error
ANSWER :
B. Zero (at mean position)
14.
The phase difference between displacement and velocity in SHM is:
A.
2π
B.
0
C.
π
D.
π/2
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ANSWER :
D. π/2
15.
The phase difference between velocity and acceleration in SHM is:
A.
π/2
B.
2π
C.
π
D.
0
😑 View Answer Rough Work Error
ANSWER :
A. π/2
16.
A body oscillates with SHM: x = 5 cos[2πt + π/4]. At t = 1.5 s, the displacement is approximately:
A.
5 m
B.
−3.54 m
C.
+3.54 m
D.
0 m
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ANSWER :
B. −3.54 m
17.
The restoring force in SHM is given by F = −kx. The quantity k is called the:
A.
Damping coefficient
B.
Angular frequency
C.
Amplitude factor
D.
Force constant (spring constant)
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ANSWER :
D. Force constant (spring constant)
18.
For a particle of mass m executing SHM with force constant k, the angular frequency ω is:
A.
ω = k/m
B.
ω = √(m/k)
C.
ω = √(k/m)
D.
ω = m/k
😑 View Answer Rough Work Error
ANSWER :
C. ω = √(k/m)