Question # 1

In projectile motion, the body has

Choose an answer

One component of velocity

Two components of velocity

Three components of velocity

No component of velocity

When a tennis balls is hit by a racket inasmuch a way that it spins as well as moves forward the velocity of the air on one side of the ball

Choose an answer

Increases

Decreases

Remain constant

Become zero

Infrared radiation is also known as

Choose an answer

Radio signals

Heat radiation

Magnetic resonance waves

RADAR

Maximum number of orders available with a grating is.

Choose an answer

Independent of grating element

Directly proportional to grating element

Inversely proportional to grating element

Directly proportional to wavelength

The special theory of relativity was presented in 1905 by

Choose an answer

Young

Planck

Schrodinger

Einstein

A body is termed as perfectly elastic if.

Choose an answer

It can move freely

Its surface is perfectly somooth

It is not affected by an external force

It recovers the original shape when the deforming force is remover

A capacitor of capacitance F micro is fully charged from a 20 V d.c supply what is the energy delivered by 20 V supply.

Choose an answer

2 mJ

10 m j

20 mJ

25 mj

A galvanometer can be converted into voltmeter by connecting in series with the galvanometer a

Choose an answer

Low resistance

High resistance

Resistance of intermediate range

Shunt

The 1st condition of equilibriums satisfied if.

Choose an answer

Linear acceleration is zero

Angular acceleration is zero

The vector sum of all the forces is zero

The vector sum of all the torque is increase

Neutrino9 is a particle with

Choose an answer

Charge less property and has no spin

Charge less property and has spin

Charge less like electron and has spin

The same property as neutron

The polarization of an electromagnetic wave is determined by

Choose an answer

The magnetic field

The electric field

The electric and magnetic fields

The field direction of propagation of electromagnetic waves

An instrument which can float in the liquid to be tested and by means of which the specific gravity of the liquid may be determined is.

Choose an answer

Hydrometer

Barometer

Siphon

Lactometer

Which of the following is the ability to hold an electric charge in electromagnetism.

Choose an answer

Resistance

Impedance

Inductance

Capacitance

Under steady state the temperature of a body

Choose an answer

Increase's with time

Decreases with time

Does not charge with time

None of the above

Which of the following is heat transfer by means of the emission or absorption of electromagnetic radiation such as sunshine.

Choose an answer

Conduction or diffusion

Convection

Radiation

Mass transfer

If the current in a wire which is placed perpendicular to a magnetic fields increases the force on the wire.

Choose an answer

Increases

Decreases

Remain the same

Will be zero

The acceleration due to gravity

Choose an answer

Has the same value everywhere in space

Has the same value every where on the earth

varix with altitude on the earth

Is great her on the moon owing to its smaller diameter

Which of the following statements concerning G and g is true.

Choose an answer

g is scalar white g is a vector

g is inversely proportional to the mass of the planet

g is independent of the mass of the planet

both G and g have the same units

Which of the following quantities is zero about the centre of mass of body.

Choose an answer

Mass

acceleration

Moment

Angular acceleration

One Tesla is equal to.

Choose an answer

1 N A-1

1 N m-1

1 N A -1 m

1 N A -1 m-1

How does viscosity affect relative motion between the liquid layers.

Choose an answer

Does not affect

Accelerates

May accelerate of retard

Retards

halls fall faster than rain drops due to their

Choose an answer

Grater size

Greater mass

Greater area

Structure

The relation between horse power and watt is.

Choose an answer

1 hp = 546 watts

1 hp = 746 watts

1 hp = 946 watts

1 hp = 1000 watts

The pressure necessary to liquify a gas at the critical temperature is called.

Choose an answer

Normal pressure

Atmospheric pressure

Critical pressure

Liquid pressure

At series resonance in L-C-R circuit the impedance is equal to.

Choose an answer

Ohmic resistance

Inductive reactance

Capacitive reactance

Inductive reactance minus capacitive reactance

In optics, which subfield studies the measurement of electromagnetic radiation including visible light.

Choose an answer

Radiometry

Photometry

Telemetry

Chronometry

If two bodes are under a collision that is not perfectly elastic then.

Choose an answer

K.E. is conserved but momentum is not

Momentum is conserved but K.E. is not

Neither K.E. nor momentum is conserved

Both K.E. and momentum are conserved

Which of the following can be used as an arrester in a nuclear reactor.

Choose an answer

Graphite

heavy water

Uranium

Cadmium

During an adiabatic gas expansion the environment

Choose an answer

Serves as a heat sink

Serves as a heat source

Must be at a higher temperature than the gas

Does not have to participate

the amplitude of a wave indicates

Choose an answer

Wavelength

Frequency

Intensity of wave

Nature of wave

A stone is whirled in a vertical circle at the and of a string when the stone is at the highest position, tension in the string is

Choose an answer

Maximum

Zero

Equal to weight of the stone

Less than weight of the stone.

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