Simple Pendulum NEET Questions

Physics - Experimental Skills

Simple Pendulum MCQ Questions


7.
The time period of a simple pendulum depends on:
A.
Amplitude of oscillation only
B.
Mass and shape of the bob
C.
Length of the pendulum and acceleration due to gravity
D.
Material of the string
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ANSWER :
C. Length of the pendulum and acceleration due to gravity
8.
A second's pendulum is a pendulum whose:
A.
Time period is exactly 1 second
B.
Length is 1 metre
C.
Time period is exactly 2 seconds
D.
Frequency is 1 Hz
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ANSWER :
C. Time period is exactly 2 seconds
9.
The length of a second's pendulum at a place where g = 9.8 m/sĀ² is approximately:
A.
0.993 m
B.
0.5 m
C.
1.0 m
D.
2.0 m
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ANSWER :
A. 0.993 m
10.
The restoring force in a simple pendulum is provided by:
A.
Tension in the string
B.
Air resistance
C.
The component of gravity along the arc of motion (mg sin Īø)
D.
The full weight mg of the bob
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ANSWER :
C. The component of gravity along the arc of motion (mg sin Īø)
11.
The time period of a simple pendulum of length 1 m at g = 9.8 m/sĀ² is approximately (Ļ€Ā² ā‰ˆ 9.87):
A.
4 seconds
B.
1 second
C.
0.5 second
D.
2 seconds
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ANSWER :
D. 2 seconds
12.
If the length of a simple pendulum is increased four times, its time period becomes:
A.
Same as original
B.
Half the original
C.
Four times the original
D.
Twice the original
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ANSWER :
D. Twice the original