Physics Online Quiz

The instrument that measures and records the relative humidity of air is

The shape of our milky way galaxy is

The different colours of different stars are due to the variation of

The fundamental scientific principle in the operation of battery is

Instrument used to measure the force and velocity of the wind is

Which combination of colour the most convenient during day and night time ?

Woolen clothes keep the body warm because

If the length of a simple pendulum is halved then its period of oscillation is

Equilibrium is a condition that can

While catching a ball, a player pulls down his hands to lower the

Geostationary satellite revolves at-

When a barometer reading suddenly recedes, it indicates that climate-

A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle ?

Asteroids revolve round the Sun between which of the following two planets ?

Smog is a general pollutant where

The speed of light’ with the rise in the temperature of the medium :

Clothes keep us warm in winter because they :

In a refrigerator what produces the cooling ?

Why are we able to hear short wave broadcasts better than long wave broadcasts ?

Electron microscope was invented by

A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to

Which of the following is not true for Geostationary Satellite?

When pressure is increased the melting point of ice

Longitudinal waves cannot travel through

Electrostatic precipitator is used to control the pollution of

When two ice cubes are pressed over each other they unite to form one cube, because of

Which of the following parts of the sunlight makes the solar cooker hot ?

If the velocity-time graph of a particle is represented by
y = mt + v, then the partical is moving with

Which of the following occurred first?

The animal which uses sounds as its ‘eyes’ is

The sky appears blue because of

Dynamo is a device for converting

The working of the quartz crystal in the watch is based on

Why does a big fire in the open appear to be fanned by strong winds ?

Oil rises up the wick in a lamp because

In the atmosphere ultraviolet rays are absorbed by

In which of the following cryogenic engines are used ?

Who propounded the possibility of placing communications satellites in geosynchronous orbit for the first time ?

What was the name of the space shuttle that landed man on the moon ?

The energy emitted by the Sun is due to

Tungsten is used for the manufacture of the filament of an electric bulb, because

What is the wavelength of visible spectrum ?

Who invented Radar ?

Who measured the velocity of light first ?

When a vehicle passes, TV reception gets distorted. This is because

Which of the following alloy is used in making magnet ?

Where are mesons found ?

For a body moving with non-uniform velocity and uniform acceleration

Lamberts law is related to

Which of the following laws validates the statement that matter can neither be created nor destroyed ?