Question # 1

If a charged body is moved against the electric field it will gain.

Choose an answer

P.E

K.E.

Electrical P.E.

Gravitational energy

An object gain excess negative charge after being rubbed against another object which is.

Choose an answer

Neutral

Negatively charged

Positively charged

either a, b, or c

The basic quantity used to describe the state of magnetization of a substance is the

Choose an answer

Magnetic strength

Magnetic susceptibility

Magnetic moment

Magnetic moment per unit volume

The variation in the speed of sound with temperature is greater in.

Choose an answer

Gases

Metals

Liquids

Insulators

Which of the following is not the SI unit of magnetic flux density.

Choose an answer

Wb m2

N A-1 m-1

Tesla

N mA-1

Artificial polymers are made by a chemicals reaction known as.

Choose an answer

Crystallization

Electroplating

Polymerization

Polarization

Who devised a technique for the measurement of change on an electron in 1909

Choose an answer

Milikan

Joule

Ampere

Ohm

In an A.C. circuit the current.

Choose an answer

Is in phase with voltage

Leads the voltage

Lags the voltage

Any of these depending upon the circumstances

The maximum displacement from the undisturbed position of the medium to the crest top is called.

Choose an answer

Wavelength

Amplitude

Period

Frequency

Which of the following pair does not have identical dimensions.

Choose an answer

Energy and torque

Momentum and impulse

Mass and moment of inertia

Energy and work

If the number of coulombs per second through a wire of 10 Ohm resistance across a 120 V line is 12, the current is

Choose an answer

5 A

10 A

12 A

15 A

In onw cycle of a steam engine there are how many dead centres.

Choose an answer

1

2

3

zero

Who invented the first closed tube thermometer in 1713

Choose an answer

Gabried Fahrenheit

Galileo

anders Celsius

Lord Kelvin

When speed of a moving body becomes double.

Choose an answer

Its K.E. is doubled

Its acceleration is doubled

Its P.E. is doubled

Its momentum is double

Thermocouple is used for

Choose an answer

Converting atomic energy into heat energy

Measure the radiant energy

Storing the heat energy

Measuring current

If a ray of light in glass in incident on an air surface at an angle greater than the critical angle, the ray will

Choose an answer

Refract only

Reflect only

Partially refract and partially reflect

Diffract only

Which is the correct statement regarding the nature of light.

Choose an answer

It has wave nature

It has particle nature

It has both wave and particle nature at the same time

It has wave nature sometime and particle nature at some other time.

The special theory of relativity was presented by

Choose an answer

Albert Einstein

Newton

Maxwell

Planck

What are isotopes.

Choose an answer

Atoms of the same element with different numbers of neutrons.

Atoms of the same element with different numbers of protons.

Atoms which are radioactive

Atoms which have gained or lost an electron

Which base units would be needed to express the SI unit of potential difference.

Choose an answer

Kg and A only

m , s and A

kg, m, s and A

mg, m and s

Permanent change in shape or size of a solid body without fracture resulting from the application of strained stress beyond the elastic limit is called.

Choose an answer

Elastic limit

Plastic limit

elastic deformation

Plastic deformation

A wave that remains in a constant position is called.

Choose an answer

Standing wave

Transvers wave

Shock wave

Longitudinal wave

The value of power factor in an LCR sense circuit at resonance is.

Choose an answer

Zero

0.5

unity

Infinity

What type of current is produced by batteries.

Choose an answer

Direct current

Alternating current

Pulsating current

Convection current

The function of collimator in spectrometer is to

Choose an answer

Disperse the light

Reflect the light

Make the light parallel

Diffract the light

Which of the following is the most commonly used regions of operations for a transistor.

Choose an answer

Cut off

Saturation

Active

All of these

Which of the following is not SI base unit.

Choose an answer

kilogram

Ampere

Coulomb

Mole

In case of a convex lens, when object is placed at F

Choose an answer

the image is formed beyond 2 F

the image is formed between F and 2 F

No image is formed

the image is formed behind the object

The spectrum of radiation due to transitions between energy levels in an atom, other absorption or emission is called.

Choose an answer

Atomic spectrum

Molecular spectrum

Grating spectrum

Normal specturm

Rainbows and mirage are formed by

Choose an answer

Reflection only

Refraction only

dispersion only

A combination of refraction, total internal refraction and dispersion

The materials whose resistivity becomes zero below a certain temperature.

Choose an answer

Semi conductors

Super conductors

Insulators

conductors

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