General Principles in the Working of Simple Pendulum, Simple Pulleys, Siphon NDA Questions

NDA Physics

General Principles in the Working of Simple Pendulum, Simple Pulleys, Siphon MCQ Questions

1.
The time period of a simple pendulum depends on which factors?
A.
Length of the pendulum
B.
Mass of the bob
C.
Amplitude of oscillation
D.
Shape of the bob
ANSWER :
A. Length of the pendulum
2.
For a simple pendulum, if the length is doubled, the time period
A.
Becomes half
B.
Remains the same
C.
Doubles
D.
Increases by a factor of √2
ANSWER :
D. Increases by a factor of √2
3.
In a simple pendulum, the restoring force is provided by
A.
Gravity
B.
Tension in the string
C.
Air resistance
D.
Mass of the bob
ANSWER :
A. Gravity
4.
The formula for the time period of a simple pendulum is
A.
T = 2π√(L/g)
B.
T = 2π√(g/L)
C.
T = 2Ï€L/g
D.
T = 2Ï€g/L
ANSWER :
A. T = 2π√(L/g)
5.
What is the primary factor affecting the period of a simple pendulum?
A.
Mass of the bob
B.
Length of the string
C.
Amplitude of swing
D.
Gravitational force
ANSWER :
B. Length of the string
6.
For a simple pendulum, if the length of the string is quadrupled, the period of the pendulum will
A.
Remain the same
B.
Double
C.
Quadruple
D.
Halve
ANSWER :
B. Double