Question # 1

The Circular motion of a particle with constant speed is.

Choose an answer

Periodic and SHM

Periodic but not SHM

linear and SHM

Neither periodic nor SHM

If the gas pressure is increased then its mean free path becomes.

Choose an answer

More

Zero

Infinite

Less

Young's double slit experiment was performed in

Choose an answer

1801

1916

1901

1934

Object may acquire an excess or deficiency of charge by

Choose an answer

Rubbing them together

Grounding them

Applying coulomb's principle

Shielding them

The cosine of the phase angle between the current and voltage in an A.C. circuit is called the

Choose an answer

Lead factor

Lag factor

Dissipation factor

Power factor

For capacitors connected is series.

Choose an answer

The difference of potential is same for an

The charge on each is the same

The resultant capacitance is greater than

The charge on each is not the same

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

When light emitting diode is forward biased, it emits light of the colour

Choose an answer

Red

Yellow

Green

All of these

The back ground radiation in the atmosphere on the average is

Choose an answer

0.5 Sv per year

1.0 Sv per year

1.5 Sv per year

2.0 Sv per year

In compound microscope image formed by the eyepiece is

Choose an answer

Real

Inverted

erect

diminished

Hygen's principle states that

Choose an answer

Light travels in straight line

Light travels in electromagetic waves

All points of primary wave front are source of secondary wavelets

Light has dual nature

When a light ray enters from air into water then its wavelength.

Choose an answer

Increases

Decreases

Become infinity

Remains constant

A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide.

Choose an answer

1 hour

1 day

1 week

1 month

Two light waves which are not coherent cannot produce.

Choose an answer

Interference

Diffraction

Reflection

Dispersion

An alternation produced in shape length or volume when a body is subjected to some external force is.

Choose an answer

Deformation

Polymerization

Crystallization

Elasticity

Which of the following are sources of direct current.

Choose an answer

Batteries

Solare cells

Thermocouples

All of these

Polaroid's were invented in

Choose an answer

1787

1887

1897

1929

Electric Heater operates on the principle of.

Choose an answer

electromagnetism

Electromagnetic induction

Electrolysis

Momentum

An object is placed at the focus of a diverging lens The image is located at

Choose an answer

The focus

2 F

Infinity

Half away between the lens and the focus

Soap cleans the dirty clothes because.

Choose an answer

Its chemical constituents are changed

Itr increases the surface tension of its solution with water

It increases the surface tension of its solution with water

It is less dense than that of water

Iron loss in a dynamo arises because of.

Choose an answer

The resistance of armature coil

The production of eddy current

The presence of mechanical friction

The leakage of flux

Who discovered a phenomenon of thermos electricity.

Choose an answer

Peltier

Joule

Seeback

thomson

Which of the following thermometers is the most suitable for measuring rapidly varying temperature.

Choose an answer

Thermocouple thermometer

Mercury in glass thermometer

Alcohol in glass thermometer

Platinum resistance thermometer

A D.C Motor converts

Choose an answer

Mechanical energy into electrical energy

Mechanical energy into chemical energy

Electrical energy into mechanical energy

Electrical energy into chemical energy

Convention is the transfer of thermal energy by means of currents in

Choose an answer

Pressure

Temperature

Liquids

Fluids

A device consisting two different conductors that produce a voltage proportional to the temperature difference between either end of the pair of conductors is a.

Choose an answer

Thermistor

Thermocouple

Strain gauge

Potentiometer

who gave the law of equipartition.

Choose an answer

Maxwell

Carnot

Claussius

Boltzmann

Internal energy of a gas decreased when

Choose an answer

It gains heat

Change in cycle

Change in adiatatic

Change in reversible

The working of the rocket is based on the principle of.

Choose an answer

Electromagnetism

Conservation of momentum

Floatation

Hydraulic system

Prince Louis and Vector de broglie received the Nobel prize in.

Choose an answer

1919

1923

1927

1929

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

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