Question # 1

Which two terminal passive electronic component implements electrical resistance as a circuit element.

Choose an answer

Capacitor

Inductor

Resistor

Transformer

The follow of heat from hot body to cold body is an example of

Choose an answer

Adiabatic process

Isothermal process

Reversible process

Irreversible process

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

Which Muslim Scientist is regarded as father of optics.

Choose an answer

Ibn al Haithem

Al khawarizmi

Nasir al Din Al tusi

Ibn Musa al khawarzmi

A slow neutron can cause fission in

Choose an answer

Uranium -238

Uranium-235

Hydrogen-1

Thorium -232

Which part of D.C motor reverses the direction of current through the coil every half cycle.

Choose an answer

The armature

The commutator

the brushes

The slips rings

A breaker is full of water with an ice piece floating The ice place has a lead piece in it When ice cube mells then.

Choose an answer

Water overflows

Level falls

Level remains unchanged

Density increases

Which italian inventor is credited with describing and sketching the first ideas for contact lens in 1508

Choose an answer

Galileo

Leonardo da vinci

roger Bacon

Hans Lipperahey

The wavelength of X-rays is of the ofder of.

Choose an answer

10^-14 m

10^-10 m

10^-9 m

10^-6 m

In CE amplifier phased reversal occurs when the output voltage is taken between

Choose an answer

Base and collector

Base and emitter

Collector and emitter

None of the terminals

What is a measure of the total energy of a thermodynamics system.

Choose an answer

Entropy

Enthalpy

Randomness

Chaos theory

Difference between Cp and Cv is equal to

Choose an answer

General gas constant

Planck's conatant

Molar gas constant

Boltzmann's constant

If the wave length of a wire is 1 cm and its period is 0.02 s, the velocity of the wave will be

Choose an answer

20 cm s-1

50 cm s-1

60 cm s-1

100 cm s-1

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

Choose an answer

Kinetic energy

potential energy

Electric current

Charge energy

To reduce spherical aberration in optical instruments which of the following should be used.

Choose an answer

Plano convex lenses

Concave lenses

Spherical mirrors

Plane mirrors

A body of mass 2 kg is suspended from the celling of an elevator moving up with an acceleration 'g' its apparent weight in the elevator will be.

Choose an answer

9.88 N

19.8 N

29.4 N

39. 2 N

When the battery is being charged its terminal potential difference than its emf is.

Choose an answer

Less

Greater

Double

Squared root

The ability's of convex lens to produce convergence in a parallel beam is called its.

Choose an answer

Magnification

Focal length

Power

Strength

If the K.E. of a body becomes 4 times of its initial value, the new momentum will be

Choose an answer

half

Same

Double

4 times

Which parameter is an indication of colour of a star.

Choose an answer

Weight

Distance

Sixe

Temperature

Who developed hypothetical heat engine that has the maximum possible efficiency in 1824

Choose an answer

Saadi carnot

August Otto

rudolf Diesel

Kari Benz

The heat accepted and rejected by a Carnot engine operating between two heat reservoirs defines.

Choose an answer

The efficiency of the working substance of the engine

the ideal gas scale of temperature

The ratio of the absolute temperature of the reservoirs

The thermal capacity of the working substance

In four stroke cycle the crank makes

Choose an answer

One complete revolution

Two complete revolutions

three complete revolutions

Four complete reveolutions

The path of projectile is maximum at

Choose an answer

Point of lauch

Highest point

Point of landing

Both a and c

The permeability of a diamagnetic material is

Choose an answer

Greater than unity

Less than unity

Equal to unity

Zero

In any collision between two bodies there need nor the conservation of

Choose an answer

Linear momentum

Angular momentum

Total energy

Kinetic energy

The SI unit of strain is

Choose an answer

N m-1

N m-2

N m

It has no unit

The energy stored per unit volume inside the solenoid is called.

Choose an answer

Energy density

Mass density

Charge density

Volume density

The characteristic of an image formed by a plane mirror is.

Choose an answer

It is of the same size as the object

It is laterally inverted

It is upright

All of the above

X-rays spectrum may be

Choose an answer

Continuous spectrum

Discontinuous spectrum

Line spectrum

Continuous and line spectrum

The continuous x rays spectrum is obtained due to

Choose an answer

Deceleration of impact electrons

Breaking potential

Excitation potential

Ionization potential

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