Question # 1

Who developed the first atomic reactor.

Choose an answer

Bohr

Fermi

Rutherford

Taylor

The charge on a helium nucleus is equal to the charge of.

Choose an answer

Two electrons

Two protons

Two neutrons

One proton

Light wave are

Choose an answer

Longitudinal

Transverse

Sometimes longitudinal and sometimes transverse

Neither longitudinal nor transverse

The resistance of a coil changes directly with

Choose an answer

The current of A.C.

The frequency of A.C

The inductance

Both B and C

Which of the following medium can transmit both transverse and longitudinal waves.

Choose an answer

Solid

Gas

Liquid

Plasma

Which statement about convection is correct.

Choose an answer

Brownian motion is a form of convection

Convection occurs only in gas

Convection results from a density change

Evaporation is a form of convection

Frequency less than 120 Hz are known as

Choose an answer

Infrasonic

Ultra sonics

Super sonics

Infrared

If a body retains completely its altered shape and size, it is said to be

Choose an answer

Perfecto elasticity

Perfect plasticity

Elasticity

elastic limit

The electric current can be defined by its

Choose an answer

Chemical effect

Magnetic effect

Heating effect

All of these

who gave the law of equipartition.

Choose an answer

Maxwell

Carnot

Claussius

Boltzmann

The word fluid means

Choose an answer

To rise

To fall

To flow

To oppose

Palaroids can be used

Choose an answer

To control headlight glare in right driving

To determine the concentration of the optically active substances

In curtain less windows to adjust the amount of light

all of the above

The loss of mass in a.m.u in a nuclear change can be calculated from energy involved in MeV by

Choose an answer

Dividing by 931

Multiplying by 931

Diving by 391

Multiplying by 391

Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits

Choose an answer

Radiowaves

Alpha particles

Beta particles

gama particles

What is the degree of magnetization of a material.

Choose an answer

Susceptibility

Ablitity

Retentivity

Capacity

Which quantity remains fixed in isobars.

Choose an answer

Mass number

Atomic number

Number of neutrons

Number of protons

In case of longitudinal waves the individual particles of the medium move.

Choose an answer

In circles

In ellipses

Parallel to wave propagation

Perpendicular to wave propagation

The magnifying power of a convex lens of focal length 5 cm is

Choose an answer

3

5

6

20

The phenomenon of regular refraction of light illustrates taht.

Choose an answer

Light is reflected in one direction only

Light is reflected through a range of different angles

Light is refracted in one direction only

Light is refracted through a range of different angles.

Which of the following is renewable source of energy.

Choose an answer

Oil

Natural gas

Uranium

Sunlight

Which field is produced by electric charge on a body at rest.

Choose an answer

Electric field only

Magnetic field only

Neither electric nor magnetic field

Both electric and magnetic fields

The scalar product of two vectors in negative when

Choose an answer

Vectors are parallel

Vectors are antiparallel

Vectors and perpendicular

Vectors are parallel with same magnitude

A body is said to be in translations equilibrium, only if the vector sum of all the forces acting on it becomes.

Choose an answer

Double

Zero

Maximum

Quadruples

Which of the following does not produced an erect image.

Choose an answer

Galilean telescope

Terrestrial telescope

Prism binoculars

Astronomical telescope

Minor losses through values, fittings, bends etc are modeled as proportional to

Choose an answer

Velocity head

Static head

total head

Pressure drop

Which characteristics successively increases in the musical scale.

Choose an answer

Pitch

Quality

Loudness

Amplitude

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

Choose an answer

Force

Angular momentum

Linear momentum

Linear impulse

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

Choose an answer

Latitude

Attitude

Longitude

Depth

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

A shell explodes and many pieces fly off in different directions, which of the following is conserved.

Choose an answer

Momentum

K.E.

Momentum and K.E

Neither momentum nor K.E.

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