Question # 1

The branch of physics which deals with the properties of fundamental particles is called:

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High energy physics

Molecular physics

Astrophysics

Space physics

For a parallel resonant circuit at resonance, current from supply is

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minimum

maximum

zero

none of these

Which one of the following is the unit of electric field intensity

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JC^-1

Vm^-1

Cm^-1

CJ^-1

Density is defined as:

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Mass per volume

Volume per mass

Mass x volume

Mass per length

When a body is performing S.H.M., its acceleration is

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inversely proportional to the displacement

directly proportional to the applied force

directly proportional to the amplitude

directly proportional to the displacement but in opposite direction

The motion of molecules in gases is:

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Orderly

Random

Circular

All of these

Stock's law holds for:

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Motion through free space

Motion through viscous medium

Bodies of all shapes

None of these

A heat engine is that which converts

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mechanical energy into thermal energy

thermal energy into mechanical energy

K.E into potential energy

heat energy into light energy

Which one of the following has larger value of relative permitivity E_rat room temperature?

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Vaccum

Air

Glass

Water

The waves which propagate out in the space due to oscillations of electric and magnetic fields are called:

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Mechanical waves

Electromagnetic waves

Matter waves

All of them

Which of the following medium/media can transmit both transverse and longitudinal waves:

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Solids

Liquids

Gases

All of them

Light waves are:

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Mechanical waves

Electromagnetic waves

All of above

None of above

Heat energy extracted from inside the Earth in the form of hot water or steam is the

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Biomass

Scalar energy

Geothermal energy

None of these

The torque will be zero if the angle between r and F is

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zero

30°

45°

90°

Which of the following is not the unit of energy?

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Calorie

Joule

Electron-volt

Watt

Bernoulli's equation is based upon law of conservation of

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Mass

Momentum

Energy

None

Viscus force depends upon

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Coefficient of viscosity

Velocity of objects

Radius of object

All of these

A rocket carries its own fuel in the form of

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liquid only

liquid or solid

liquid and solid

liquid or solid and oxygen

The bright fringes are termed as

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minimum

maximum

bright spots

dark spots

The mass of the object is a quantitative measure of

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Motion

Momentum

Inertia

None of these

The approximate efficiency of Nuclear power plant is

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20 - 30%

30 - 35%

33 - 40%

37 - 42%

An object is placed between two parallel mirrors the number of images formed is

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2

4

8

Infinite

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