Question # 1

At which place the motion of a simple pendulum will be slowest.

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Karachi

K-2

Murree

Lahore

A spring of spring constant 10 N/m after loading that amplitude is 2m. Then the maximum P.E. is

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10 J

20 J

30 J

40 J

When a body is vibrating its displacement from mean position

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Remains constant

Changes with time

Become(-)ve

None of these

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The frequency of 2nd pendulum is

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0.5 Hz

1 Hz

1.5 Hz

2 Hz

If the time period of simple pendulum is 2 seconds its frequency will be.

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1 Hz

0.5 Hz

1.5 Hz

2 Hz

Angular frequency is the characteristic of

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Linear motion

Vibratory motion

Circular motion

All of these

The amplitude of a vibrating body at resonance in vacuum is

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Minimum

Maximum

Zero

Infinite

The wave form of SHM is.

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Sine wave

Cosine wave

Tangent wave

Square wave

Time period of simple pendulum depends upon

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Mass of pendulum

Weight of pendulum

Length of pendulum

Shape of pendulum

A quantity which indicates the state and direction of a vibrating body is known as

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Time period

Amplitude

Phase

Frequency

Damping is the process in which energy

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Increases

Remains constant

Dissipates

None of these

The time period of an oscillating mass spring system is 10 second. If mass attached to spring id doubled then time period becomes.

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10 sec

20 sec

5 sec

None of these

One complete round trip of a body is called

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Displacement

Time period

Vibration

Frequency

The mathematical expression for the restoring force is.

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F = kx

F = ma

F = dp/dt

F = -kx

The product of time period and frequency is.

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Zero

1

2

3

One complete round trip of a vibrating body is called.

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Frequency

Time period

Vibration

Amplitude

If the tension a stretched string is made four times then the velocity of wave.

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Remains same

Is halved

Becomes twice

Becomes 4 times

Frequency 'f' and time period 'T' are related as

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A phenomenon by which energy is dissipated from the oscillating system is called.

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Forced oscillation

Free oscillation

Damping

Simple harmonic motion

The frequency of waves produced in microwave oven is

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1435 Hz

2450 MHz

1860 MHz

2850 Hz

the acceleration of a body having SHM, depends upon its.

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Time period

Amplitude

Frequency

Displacement from mean position

The velocity of a particle having SHM is 'v' at means position. If its amplitude is doubled them velocity at mean position will be

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v/2

v

2v

4 v

the length of simple pendulum of time period 1 second is

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2 m

1 m

0.5

0.25 m

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