Question # 1

A body with frequency of would complete one vibration in:

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f seconds

1/f seconds

1 second

f²second

A spring of constant k = 0.4 N m^-1is to be extended through 10 cm at a place where g = 10 m sec^-2. The mass to be suspended should be:

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4 gms

0.4 gm

40 gms

None of these

The maximum distance of body from mean position when body is executing SHM is called

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Time period

Displacement

Amplitude

Frequency

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

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Increases

Decreases

Remains constant

None of these

Second's pendulum is the pendulum whose time period is:

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1 second

2 second

3 second

None of these

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm^-1, then the extension will be:

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1 cm

1 m

10 mm

None of these

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

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2500 MHz

0.25 MHz

2500 KHz

None of these

To and fro motion of a body is about its mean position is known as:

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Translatory motion

Vibratory motion

Rotatory motion

None of these

An object in SHM will have maximum speed when its displacement from equilibrium position is:

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Infinity

Maximum

Zero

Minimum

A body with frequency would complete one vibration in:

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f seconds

1/f seconds

1 second

f²second

In SHM, there is always a constant ratio between displacement if body and its:

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Velocity

Period

Mass

Acceleration

Amplitude in SHM is equivalent to_____ in circular motion:

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Diameter

Radius

Circumference

None of these

If mass of 10 gm is suspended from a spring of K=0.8 Nm^-1then the extension will be:

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10 cm

1 m

10 mn

None of these

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

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f

2 f

3 f

1/2 f

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