Question # 1

Amplitude in SHM is equivalent to ______ in circular motion:

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Diameter

Radius

Circumference

None of these

If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:

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k/2

2 k

4 k

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

In SHM, the acceleration is ______ when velocity is _____:

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Zero, smallest

Smallest, zero

Zero, zero

Zero, greatest

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

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Infinity

Maximum

Zero

Minimum

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

The body oscillates due to ______ accelerates and overshoots the rest position due to _______

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Applied force, Inertia

Restoring force, Friction

Frictional force, Inertia

Restoring force, Inertia

If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:

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250 N m^-1

25 N m^-1

2.5 N m^-1

None of these

The graph showing the variation of displacement with time is a

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Sine curve

Straight line

Parabola

None of these

When quarter of a circle is completed, the phase of vibration is:

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90°

180°

45°

360°

SHM is type of ______ motion

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Vibratory

Linear

Circular

None

The restoring force is _____ and opposite to the applied force within ______,:

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Equal, elastic limit

Different, the walls of the laboratory

Different, elastic limit

None of these

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

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Velocity

Period

Mass

Acceleration

Which of the following forces is responsible for SHM

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Applied force

Restoring force

Fractional force

Elastic force

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