Question # 1

When X_c = X_l, this condition is called.

Choose an answer

Equality

Balanced

Resonance

Equlibrium

The specific heat of all gases increases with temperature at high temperature decreases at low temperature expectation is

Choose an answer

Oxygen gas

Nitrogen gas

Mono atomic gas

Dia atomic gas

A fluid is said to be ideal if it is

Choose an answer

Non viscous

Non viscous and incompressible

Non viscous and with steady flow

Non viscous incompressible and has steady flow

One radian is equl to

Choose an answer

57.3 ^o

67.3 ^o

60 ^o

87.3 ^o

In the experiment of production of X rays the anti cathode should be bombarded with.

Choose an answer

A particles

Beta particles

Electrons

Protons

The law of equation of energy is applicable to the system whose constituents are.

Choose an answer

At rest

In orderly motion

in random motion

Moving at constant speed

In scattering experiment which force scatters alpha particle.

Choose an answer

Nuclear force

Coulomb's force

Gravitational force

Centripetal force

Sound wave do not travel in vacuum because.

Choose an answer

they are transverse waves

They are stationary waves

They require material medium for propagation

They do not have enough energy

In an electronic transition atom cannot emit

Choose an answer

Gama rays

Visible rays

Infrared rays

Ultraviolet rays

Matter waves

Choose an answer

Are electromagnetic in nature

Travel with the speed of light

Can be diffracted

Are longitudinal waves

An electrical source with internal resistance's' is said to operate a lamp of resistance R what fractions of the total power is delivered to the lamp.

Choose an answer

R+r/R

R-r/R

R/R+r

r/R-r

The work done in moving a body from one place to another in a gravitational field is independent of the

Choose an answer

applied force

Force of gravity

Path followed by the body

Force of earth

An Electric kettle should always be fitted with an earth connection as a protective device What is being protected by the earth connection.

Choose an answer

The cable connecting the kettle

The fuse in the circuit

The heating element of the kettle

The person using the kettle

What for is a modulator circuit used.

Choose an answer

To eliminate carrier waves

To superpose the radio frequency signal on the carrier waves

To transmit the signal

To create sound waves

When a wire moves perpendicularly to a magnetic field, the induced emf does ot depends upon

Choose an answer

The velocity of the wire

The resistance of the wire

The flux density of the magnetic

The orientation of the wire field

Which type of image is produced by the converging lens of human eye if it views a distant object.

Choose an answer

Real, erect, same size

Real, inverted, diminished

Virtual, erect, diminshed

Virtual, inverted, magnified

The moment of linear momentum is equal to

Choose an answer

Implies

Torque

Angular momentum

Couple

Prof. Abdul Salam was awarded Novel prize in

Choose an answer

1970

1972

1979

1983

By placing soft iron inside a coil

Choose an answer

Increases the magnetic flux

Decreases the magnetic flux

Creates no change in magnetic flux

Decreases the diameter of the core

The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as.

Choose an answer

Zeeman's effect

Photoelectric effect

Compton's effect

Annihilation of matter

Which term is used for human eye deflect near sightedness.

Choose an answer

Myopia

Hypermetropia

Presbyopia

Calaract

Infrared radiation is also known as

Choose an answer

Radio signals

Heat radiation

Magnetic resonance waves

RADAR

The combined resistance of two identical resistors, connected in series is 18 Mega Their combined resistance in a parallel arrangement will be.

Choose an answer

2 Mega

4 Mega

8 Mega

12 Mega

Among different elements of the periodic table which of the following atoms is the simplest.

Choose an answer

Carbon

Oxygen

Hydrogen

Nitrogen

An image formed on the film of camera is

Choose an answer

Real , inverted and diminshed

Virtual, inverted and diminshed

Real upright and diminished

Virtual, upright and idminshed

What would be the colour of sky n the absence of atmosphere.

Choose an answer

Blue

Indigo

Red

Black

Thermocouple is combination of.

Choose an answer

Thermocouples

Capacitors in parallel

Resistors in series

Ammeter and voltmeter

When a person holding a pall is moving in the forward direction, the work done on the pall is

Choose an answer

Positive

Negative

Zero

Equal to gravity

Which of the following is an example of continuous spectra.

Choose an answer

Black body radiation spectrum

Molecular spectra

Atomic spectra

grating spectrum

Which of the following is not a ferromagnetic materials.

Choose an answer

Iron

steel

Copper

Cobalt

Which of the following has maximum specific heat.

Choose an answer

Glass

Iron

Brass

Lead

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