Question # 1

Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring.

Choose an answer

Time period

Frequency

Voltage gain

phase angle

Which Muslim Scientist is regarded as 'Father of Optics"

Choose an answer

Nasir al Din al Tusi

Ibn Ishaq al kundi

Ibn Musa Al khawarzmi

Ibn al Haithem

Which phenomenon is responsible formation of shadows.

Choose an answer

Interference of light

Diffraction of light

Polarization of light

Propagation of light

The length of an astronimical telescope for normal vision is.

Choose an answer

fo x fe

fe/fe

fo - fe

fo + fe

X-rays used for

Choose an answer

Cutting boring and precision welding

Retina stitching in eye operations

Detecting heavy elements under the earth

Deflecting flaws in welding and casting

The magnitude of the resultant of two equal forces is equal to either to the force What is the angle between the two forces

Choose an answer

0 ^o

120 ^o

60 ^o

180 ^o

What is the represented by the area inside the Carnot cycle.

Choose an answer

Heat taken to increase the body temperature.

Energy loss due to leakage

Useful work done

Heat rejected by the system

Arthur Holly Compton was awarded Nobel prize in.

Choose an answer

1923

1927

1931

1934

LASER beam my be measure very large distance because it is.

Choose an answer

Inidirectional

coherent

Monochromatic

Not absorbed

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

The phenomenon of total internal reflection occurs in

Choose an answer

Optical fibre

Rainbow

Mirage

All of these

Which parameter is an indication of colour of a star.

Choose an answer

Weight

Distance

Sixe

Temperature

J.R. Rydberg Obtained a formula to describe the wavelength of the hydrogen atom in

Choose an answer

1785

1885

1936

1966

The corss product of two vectors is zero when they

Choose an answer

Are parallel to each other

Are perpendicular to each other

Are at an angle of 120 ^o

Both are equal

Any alternations product in shape length of volume where a body is subjected to some external force is called

Choose an answer

Deformation

Polymerization

Crystallization

Elasticity

Abu abdullah ibn Jabir Al battani was the greatest

Choose an answer

Philospher

Mathematician

Astronomer

Palmist

An important application of the semi conductor is the

Choose an answer

Vacuum tube

Fluroescent tube

Copper oxide rectifier

Battery

A slow neutron can cause fission in

Choose an answer

Uranium -238

Uranium-235

Hydrogen-1

Thorium -232

If a gymnast sitting on a rotating stool with his arms out stretched lowers his arms.

Choose an answer

The angular speed increases

The angular speed decreased

The angular speed becomes zero

The angular speed becomes constant

Tesla is the unit for measuirng

Choose an answer

Magnetic intensity

Magnetic induction

Magnetic moment

Electric potential

The force on a point charge due to electromagnetic fields is called.

Choose an answer

Lorenz force

Gauss's force

Newton's force

Ampere's force

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

What is the quantitative description of the effect of radiation on the living tissue.

Choose an answer

Radiation dosimetry

Radioactive dating

Telemetry

Dosage

A perfect back body

Choose an answer

Is a perfect absorber of all radiations

Is a perfect reflector of all radiations

Is a perfect reflector of visible lights radiations

Is a brownish object

Which experiment confirmed the de Broglie hypothesis.

Choose an answer

Double slit experiment

Division germier experiment

Schrodinger's Cat experment

Bohr's experiment

The velocity of the wave could be increased by

Choose an answer

Reducing the amplitude

Decreasing the frequency

Increasing the period

Stretching the spring more

Who was the most outstanding theoretical physicist.

Choose an answer

Daniel

Maxwell

Ampere

Young

Gas law PV = constant is for

Choose an answer

Adiabatic change

Isothermal changes

Isobaric changes

Isochoric changes

Planets move around the sun due to.

Choose an answer

Centrifugal force

Centripetal force

Gravitational pull between them

Frictional force between them

The acceleration due to gravity

Choose an answer

Has the same value everywhere in space

Has the same value every where on the earth

varix with altitude on the earth

Is great her on the moon owing to its smaller diameter

Which of the following material could be used for a high vacuum, high voltage tube.

Choose an answer

Thoriated tungsten

Tungsten

Copper

Cesium

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