Question # 1

The process is which volume of the system remains constant.

Choose an answer

Isobaric process

Isochoric process

Isothermal process

Adiatatic process

A number of spherical capacitors of different radii have same potentials The surface charge density on them

Choose an answer

I equal

Is proportional to their radii

Is inversely proportional to their radii

Is inversely proportional to square of their radii

Which of the following describes that the time interval between two events may be different in different of references

Choose an answer

Simullaneously

Time dilation

Length contraction

Mass variation

In a diffraction pattern, the width of any fringe

Choose an answer

Is directly proportional to slit width

Is inversely proportional to slit with

Has no dependence on slit width

Is zero

Candela is the SI base unit of.

Choose an answer

illuminance

Luminous flux

Luminous intensity

Radiant energy

In electronegative waves the electric and magnetic fields are.

Choose an answer

Parallel to each other

Perpendicular to each other

antiparallel to each other

At an angle of 45 ^o to each other

Which of the following is invariant under Galilean transformation.

Choose an answer

Velocity

Impulse

Momentum

Distance

Which scientist coined the term quantum mechanics.

Choose an answer

Kari mark

Max Born

Erwin schrodinger

Issac Newton

When a body acceleatres.

Choose an answer

Its direction always chances

It mass always changes

It velocity always changes

It falls towards the earth

The binding energy to pull the deuterium H apart into a proton and a neutron is equal to.

Choose an answer

1.22 MeV

2.22 MeV

3.22 Mev

4.22 MeV

Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.

Choose an answer

1 mA

100 mA

98 mA

110 mA

Such substance which undergo plastic deformation until they break are known as.

Choose an answer

Diatomic substances

Monoatomic substances

Ductile substances

Brittle substances

Work has the same dimensions as that of

Choose an answer

Power

Liner momentum

Angular momentum

Torque

With the increase of temperature, teh pitch of an organ pipe

Choose an answer

Increase

Descrease

Remain the same

May increase or decrease

When objects placed in a room are exposed to X- rays they appear

Choose an answer

Violet

Visible

Red

Invisible

Two vectors of magnitudes 5 N and 7 N respectively are acting on a body if the angle between them is a right angle, their resultant vector will be.

Choose an answer

2 N

4 N

6 N

8 N

The direction of induced e.m.f in a circuit is in accordance with conservation of.

Choose an answer

Mass

Charge

Momentum

Energy

The potential difference between two points is equal to the difference of

Choose an answer

Kinetic energy

potential energy

Electric current

Charge energy

The efficiency of Carnot engine is

Choose an answer

Less than one

Zero

Greeter than one

Infinite

For the normal operation of transistor the emitter base junction is always.

Choose an answer

Zero biased

Reverse biased

Forward bised

Both a and b

A pure choke consumes

Choose an answer

No power

Maximum power

Minimum power

Average power

In de Brogile model electron orbit must form

Choose an answer

Spectrum

Wave packets

Franhoffer lines

Clouds

The value of 'g' is maximum

Choose an answer

Above the earth's surface

Below the earth's surface

At the earth's surface

At the centre of earth

Human's eye acts like a

Choose an answer

LASER

Mirror

Lens

Fibre optics

High concentration of red blood cells increases the viscosity of blood from

Choose an answer

2 -3 time's that of water

3-4 times that of water

3 - 5 times that of water

4 -5 times that of water

Which of the following particles leave no trail in a cloud chamber.

Choose an answer

Electrons

Protons

Alpha particles

Neutrons

If a force 5 N applied parallel to a moment arm 5 m then torque will be

Choose an answer

0 N m

5 N m

10 N m

25 Nm

Which of the following is a unit of electric field strength.

Choose an answer

c m-1

v m-2

N C-1

N V-1

Absolute zero may be regarded as the temperature of which

Choose an answer

Water freezes

All substances are solids

All gases become liquids

Molecular motioning a gas would ceases

Which of the following is an example of induced magnetism.

Choose an answer

A compass needle pointing north

A north pole attracting iron filings

A northpole repelling a north pole

The coil of a motor turning in a magnetic field.

The word fluid means

Choose an answer

To rise

To fall

To flow

To oppose

More Classes

Other Links

PPSC Physics Full Book MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer