Simple Pendulum - Derivation of Expression for its Time Period NEET Questions

Physics - Oscillations and Waves

Simple Pendulum - Derivation of Expression for its Time Period MCQ Questions


7.
What happens to the time period of a simple pendulum if gravity increases?
A.
Increases
B.
Decreases
C.
Remains unchanged
D.
Becomes zero
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ANSWER :
B. Decreases
8.
In the derivation of the time period of a simple pendulum, which trigonometric approximation is used?
A.
sinθ ≈ θ
B.
cosθ ≈ θ
C.
tanθ ≈ θ
D.
sinθ ≈ cosθ
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ANSWER :
A. sinθ ≈ θ
9.
The time period of a simple pendulum on the moon compared to Earth will:
A.
Increase
B.
Decrease
C.
Remain the same
D.
Be zero
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ANSWER :
A. Increase
10.
The angular frequency of a simple pendulum is given by:
A.
ω = √(L/g)
B.
ω = √(g/L)
C.
ω = 2π/T
D.
ω = T/2π
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ANSWER :
B. ω = √(g/L)
11.
If the length of a simple pendulum is reduced to one-fourth, what happens to the time period?
A.
Doubles
B.
Halves
C.
Becomes one-fourth
D.
Quadruples
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ANSWER :
B. Halves
12.
The phase difference between the displacement and acceleration of a simple pendulum is:
A.
0
B.
Ï€/2
C.
Ï€
D.
2Ï€
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ANSWER :
C. π