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Q.1: The total energy of a body executing S.H.M is directly proportional to——–?
- The square root of amplitude
- The amplitude
- Reciprocal of amplitude
- Square of an amplitude
D
Q.2: The time period of a second pendulum is——-?
- 4 seconds
- 3 seconds
- 2 seconds
- 6 seconds
C
Q.3: The length of the second pendulum is——–?
- 100 cm
- 99 cm
- 99.2 cm
- 98 cm
C
Q.4: If the length of the second pendulum becomes four times, then its time period will become——–?
- 4 times
- 6 times
- 8 times
- 2 times
D
Q.5: The force responsible for the vibratory motion of the simple pendulum is———?
- mg cosθ
- mg sinθ
- mg tonθ
- mg
B
Q.6: The frequency of the second pendulum is——–?
- 1 hertz
- 0.5 hertz
- 1.5 hertz
- 2.5 hertz
B
Q.7: Simple harmonic motion is a type of——–?
- Rotational motion
- Circular motion
- Musical arrangement
- Vibratory motion
D
Q.8: The SI unit of force constant is identical with that of———?
- Force
- Pressure
- Surface tension
- Loudness
C
Q.9: When the amplitude of a wave becomes double its energy become———?
- Double
- Four times
- One half
- None time
B
Q.10: A simple pendulum suspended from the ceiling of a lift has time period T when the lift is at rest. When the lift falls freely, the time period is———?
- Infinite
- T/g
- Zero
- g/T
A