Question # 1

The period of a geostationary satellite is.

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32 hours

72 hours

48 hours

96 hours

Light year is a unit of

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Light

Velocity

Time

Distance

The angular momentum of a body about a fixed point is conserved if its velocity

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Decreases

Increases

Remain the same

Becomes zero

An example of simple harmonic motion is

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Fast moving cricket ball

Motion of bicycle

Motion of a bee

Motion of simple pendulum

Which of the following type of force can do no work on the particle on which it operates.

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Gravitational force

Frictional force

Centripetal force

Elastic force

Conservation of energy means that

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Energy can be destroyed but not created

Energy can be created but not destroyed

energy cannot be created and destroyed

Energy can neither be created nor destroyed

In an elastic collision

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K.E. is conserved

Both K.E. and momentum are conserved

K.E. is not conserved

Only momentum is conserved

Absolute P.E. of a body can be calculated

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At centre of the earth

Below centre of the earth

From surface of the earth

Below surface of the earth

A body is in a static equilibrium, only when it is

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Moving with uniform velocity

Moving with variable velocity

Moving with uniform acceleration

at rest

If the resultant of all the forces acting on a body is zero then the body is in

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Translation equilibrium

Rotational equilibrium

Equilibrium

Dynamic equilibrium

The magnitude of the instantaneous velocity is called the.

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_Displacement

Speed

Acceleration

Length

A negative acceleration does not necessaryimply.

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Decreasing speed

An increasing distance

An increasing speed

A decreasing distance

In simple harmonic motion we have the conservation of.

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K.E.

P.E

Total energy

Electrical energy

The fundamental quantities which form the base of the SI are.

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mass, energy and time

mass, force and time

mass, length and time

mass , length and time

In the case of forced oscillations frequency of oscillation is.

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The natural damped frequency

The natural undamped frequency

The frequency of the external periodic force

Some other frequency

Periodic motion is a motion.

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Under the influence of an elastic restoring force

That repeats it self in equal intervals of time

Back and forth over the same path

With constant acceleration

Angular frequency time period and frequency in SHM do not depend upon.

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Mass

Force constant

Amplitude

All of these

Time period of a simple pendulum depends upon.

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Thickness of the thread

Mass of the pendulum

Length of the pendulum

Amplitude of vibration

When a force of 4 N acts on a body of mass 2 kg for a time of 2 s, the rate of change of momentum is.

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2 kg ms -1

4 kg ms-1

8 kg m s-1

16 kg m s-1

The term radius of gyration relates to.

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Moment of force

Moment of inertia

Law of gravitation

simple harmonic motion

Simple harmonic motion is a type of

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rectilinear motion

Circular motion

Rotational motion

Zig Zag motion

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