Question # 1

Magnetic induction is also called as:

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Ampere’s law

Faraday’s law

Lenz’s law

Newton’s law

Coulomb’s law

Which of the following represents an electric current?

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C^-1

CS^-1

J.S^-1

dynes^-1

The shortest distance between two points directed from its initial point to final point is called:

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Velocity

Displacement

Speed

Distance

Practically the quantity v/c is always:

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less than one

Equal to one

Greater then one

all of these

None of these

One torr is equal to

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13.33 N/m²

760 N/m²

760 mm Hg

133.3 N/m²

The sum of positive and negative peak values is called:

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Instantaneous value

Peak value

Rms valuie

Peak-to peak-value

None of these

A person standing near the track of a fast moving train has tendency to fall towards it because of

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Vibration due to motion of train

Gravitation force of attraction between person and trains

The high speed of train

Some other effect

Blood vessels can be stretch like rubber, therefore they are

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rigid

hard

very thick

not rigid

The isotope/s of hydrogen is /are:

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Protium

Deuterium

Tritium

Both (A) and (B)

All of these

The types of mechanical energy is/are:

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Kinetic energy

Potential energy

Both of these

None of these

The direction of the streamlines is the same as the direction of the

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force

torque

velocity

weight

Velocity is a

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Scalar quantity

vector quantity

constant quantity

none of them

Energy can be obtained form solid waste by

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Direct combustion

Indirect combustion

Permentation

None of these

Travel time of light from sun to earth is

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8 hours 20 minutes

8 minutes 20 seconds

1 minutes 20 seconds

5 hour 20 seconds

A null vector is defined as

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Zero magnitude

Arbitrary direction

Fixed direction

a and b

The critical temperature for mercury is

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1.18 K

4.2 K

3.72 K

7.2 K

The work done by the gas during the isobaric expansion is equal to

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Area of rectangle

Area of triangle

Area of parallelogram

None of these

The relation for impulse can be written as

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F × t = mv_i - mv_f

F × t = mV

F × t = mV_f - mV_i

None of these

To get high resolving power for a telescope one should use

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Objective of large aperture

Objective of large focal length

Eye piece of large focal length

Eye piece of small focal length

A person is standing on a rotating stool spreading his arms.He suddenly contracts his arms.His

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Angular momentum increases

Momentum of inertia increases

Momentum of inertia decreases

Angular momentum decreases

The typical speed of human swimming is

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1.5 ms^-1

2 ms^-1

2.5 ms^-1

3.0 ms^-1

In laminar flow the velocity of the liquid in contact with walls of the tube is

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Zero

Maximum

Equal to critical velocity

None of these

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