Question # 1

The separation between the plates of a parallel plate capacitor with original capacitance C is doubled its present capacitance will be.

Choose an answer

1/4 C

1/2 C

2C

4 C

Who studied freely failing bodies using modern scientific method.

Choose an answer

Galileo

Issac newton

Abert Einstein

Alkundi

The corpusclular nature of light was given by

Choose an answer

Huygen

Maxwell

Newton

Thomas Young

Gas law PV = constant is for

Choose an answer

Adiabatic change

Isothermal changes

Isobaric changes

Isochoric changes

A radio tuning capacitor is.

Choose an answer

Cylindrical capacitor

Spherical capacitor

parallel plates capacitor

Cylindrical condenser

Why FET amplifiers are called voltage controlled devices.

Choose an answer

Input is a current signal

Output is a current signal

Input is a voltage signal

Output is a voltage signal

A junction between P-Type and n-type materials is called.

Choose an answer

Ampilifier

Transistor

Rectifier

Diode

An ideal engine can be 100% efficient only if its exhaust temperatute.

Choose an answer

Equal to input temperature

Less than is input temperature

More than its input temperature

0 ^oC

Who suggested that energy is radiated or absorbed in discrete packers called quanta.

Choose an answer

Max. Planck

Stefan

Lummer

Boltzmann

What is the relativistic version of the Schrodinger equation.

Choose an answer

Klein Gordon equation

Laplace equation

Quadratic equation

Binomial equation.

Which of the following is believed to be carrier o nuclear forces.

Choose an answer

Lepton

Meson

Bason

Baryon

Which one of the following quantities is conserved in a nuclear reactor.

Choose an answer

Energy only

Mass only

Momentum only

Mass energy and momentum

In de Brogile model electron orbit must form

Choose an answer

Spectrum

Wave packets

Franhoffer lines

Clouds

Radio carbon in the atmosphere is produced by the bombardment of.

Choose an answer

Oxygen by high energy neutrons

Oxygen by high energy protons

Nitrogen by high energy protons

Nitrogen by high energy neutrons

Radioactive decay series can be represents on

Choose an answer

Smith chart

Segre chart

Logarithmic chart

Carbon paper

Blood is

Choose an answer

A compressible fluid

an incompressible fluid

Non viscous fluid

Not a fluid

Gases exert pressure on walls of the vessels because gas molecules.

Choose an answer

Possess momentum

Have finite volume

Collide with each other

Obey gas laws

In which temperature range water decreases in volume with increasing temperature.

Choose an answer

From 0 ^oC to 4 ^oC

from 0 ^oC to 10 ^oC

from 50 ^oC to 100 ^oC

from 75 ^oC to 100 ^oC

The critical angle for a beam of light passing from water into air is 48.8 o This mean that all light rays with an angle of incidence greater than this angle will be.

Choose an answer

Absorbed

Totally reflected

Partially reflected and partially transmitted

Totally transmitted

When a magnet is moved into the coil of wire there is a small reading on the galvanometer Which change would increase the size of the reading.

Choose an answer

Pushing in the S-pole

Pulling the magnet out

Unwinding some of the turns of wire

Moving the magnet faster

The phenomenon of total internal reflection occurs in

Choose an answer

Optical fibre

Rainbow

Mirage

All of these

What invention is generally referred to as the first capacitor.

Choose an answer

Mason Jar

Kleist Jar

Layden Jar

Ohm Jar

The materials whose resistivity becomes zero below a certain temperature.

Choose an answer

Semi conductors

Super conductors

Insulators

conductors

The critical angle will be maximum when light travels from

Choose an answer

Glass of air

Water to air

Water to glass

Glass to water

The SI unit of torque.

Choose an answer

kg m2

kg ms-2

kg m2 s-2

kg ms -1

The sweetness or harshness of a sound depends upon its

Choose an answer

Wavelength

Frequency

Amplitude

Regularity

The same notes being played on sitar and veena differ in.

Choose an answer

Pitch

Quality

Both quality and pitch

Neither quality nor pitch

What is the focal length of a normal eye lens.

Choose an answer

1 mm

2 cm

25 cm

1 m

On which parameter, the heat capacity of a material depends upon.

Choose an answer

Density of the material

Specific heat of the material

Temperature of the material

Structure of the material

The energy delivered to the tissue per unit mass is called the absorbed dose of.

Choose an answer

X rays

gama rays

Radiation

energy

A step up transformer has a turn ratio of 1:100 A voltage of 20 V is connected across the primary coil What is the secondary voltage.

Choose an answer

0.2 V

5 V

100 V

2000 V

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