Oscillations & SHM – Objective Questions (Page 2)
Q11.
Time period of a spring-mass system is proportional to:
- A) √k
- B) √m
- C) 1/√m
- D) m
Answer: B
Q12.
Time period of a simple pendulum depends on:
- A) Mass of bob
- B) Amplitude
- C) Length
- D) Shape of bob
Answer: C
Q13.
If the length of pendulum is doubled, time period becomes:
- A) T/2
- B) √2 T
- C) 2T
- D) T/√2
Answer: B
Q14.
In SHM, total energy is proportional to:
- A) A
- B) A²
- C) ω
- D) x
Answer: B
Q15.
At extreme position of SHM:
- A) KE maximum
- B) PE zero
- C) KE zero
- D) Velocity maximum
Answer: C
Q16.
Which remains same in vertical and horizontal spring SHM?
- A) Extension
- B) Amplitude
- C) Time period
- D) Mean position
Answer: C
Q17.
Angular frequency ω is related to time period T as:
- A) ω = T/2π
- B) ω = 2π/T
- C) ω = 1/T
- D) ω = πT
Answer: B
Q18.
If amplitude is doubled, total energy becomes:
- A) Double
- B) Same
- C) Four times
- D) Half
Answer: C
Q19.
Which graph is linear in SHM?
- A) a vs x
- B) v vs t
- C) x vs t
- D) KE vs t
Answer: A
Q20.
In SHM, restoring force is:
- A) Constant
- B) Proportional to velocity
- C) Proportional to displacement
- D) Independent of position
Answer: C
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