Question # 1

Acceleration due to gravity is not affected by which one of the following

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Latitude

Attitude

Longitude

Depth

Which of the following is conserved in SHM

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K.E.

P.E

Total energy

Electrical energy

In rotational motion, the analogue of force is.

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moment of inertia

Moment of force

Torque

Rotational inertia

If a force of 50 N is acting along x axis , then its component along y-axis will be.

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Zero

The same

Of the half magnitude

Of the double magnitude

Which one of the following pairs does not have the same dimensions.

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Force and weigfht

Pressure and stress

Capacitance and resistance

Energy and work

The dimensions of universal gravitational constant G are.

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[MLT-2]

[ML -2T-2]

[M-1L2T-2]

[ML-1T-1]

The escape velocity

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Increases with the increase of the mass of the body

Depends on the type of body used

Is independent of mass of the body

Decreases with the increases of the mass of the body

A man in an elevator descending with an acceleration will conclude that his weight has

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Increased

Decreased

Constant value

Zero value

When net force acting on a system is zero which of the following will be constant.

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Force

Linear momentum

Angular momentum

Linear impulse

The number of 0.0001 is abbreviated correctly by

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1 x 10⁴

10^-3

10^-4

0.1 x 10⁴

The gravitational field strength at a point p on the earth's surfae is numerically equal to.

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The acceleration of free fail at p

The change in P.E. per unit distance at P

The work done in bringing unit mass from infinity to P

The dimensions of moment of inertia are

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[ML2]

[MLT-1]

[ML2T-1]

[ML-1T-2]

The gravitational force between two bodies does not depends upon.

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The product of their masses

Their separation

The sum of their masses

The constant of gravitation

Light year is a unit of

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Light

Velocity

Time

Distance

tuning a radio set is an example of.

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Musical resonance

Electrical resonance

Mechanical resonance

Damping

While passing through the atmosphere total energy is reduced due to.

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scattering

Absorption

Reflection

All of these

The moment of inertia of a body comes in action in

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Circular motion

Straight line motion

Curved path

zig zag motion

A mason of 9.8 N weight is climbing on a 20 m high ladder The P.E. of mason at the middle of the ladder is.

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98 J

196 J

960 .4 J

1920 .8 J

What would be the magnitude and direction of acceleration which would made the spring balance reading zero.

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Zero

1 m s-2 upward

9.8 m s-2 upward

9.8 m s-2 downward

The amplitude of a vibrating body placed in a resistive medium.

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Increases exponentially with time

Decreases exponentially with time

Remains constant with time

Cannot be observed

A body in equilibrium may not have

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Velocity

Momentum

Acceleration

K.E

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