Oscillations & SHM – Objective Questions (Page 1)
Q1.
In SHM, acceleration is always:
- A) Along velocity
- B) Opposite to velocity
- C) Towards mean position
- D) Away from mean position
Answer: C
Explanation: Restoring force always acts towards mean position.
Q2.
Which quantity remains constant in SHM (ideal)?
- A) Kinetic energy
- B) Potential energy
- C) Total mechanical energy
- D) Velocity
Answer: C
Q3.
The phase difference between displacement and velocity in SHM is:
- A) 0
- B) π/2
- C) π
- D) 2π
Answer: B
Q4.
At mean position of SHM, the acceleration is:
- A) Maximum
- B) Minimum
- C) Zero
- D) Infinite
Answer: C
Q5.
The unit of angular frequency ω is:
- A) Hz
- B) s⁻¹
- C) rad/s
- D) m/s
Answer: C
Q6.
Which of the following motions is SHM?
- A) Circular motion
- B) Uniform linear motion
- C) Projection of circular motion on diameter
- D) Rotational motion
Answer: C
Q7.
The time period of SHM depends on:
- A) Amplitude
- B) Initial phase
- C) System parameters
- D) Displacement
Answer: C
Q8.
Velocity of a particle in SHM is maximum at:
- A) Extreme position
- B) Mean position
- C) Half amplitude
- D) Everywhere same
Answer: B
Q9.
The graph of displacement vs time in SHM is:
- A) Straight line
- B) Parabola
- C) Circle
- D) Sine curve
Answer: D
Q10.
If x = A sin(ωt), then acceleration is:
- A) ω²A sin(ωt)
- B) −ω²A sin(ωt)
- C) ωA cos(ωt)
- D) −ωA cos(ωt)
Answer: B
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