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Wave theory of light was proposed by

The twinkling of star is due to:

Refractive index of diamond

Colours that appear on the upper layer of oil spread on road is due to

Energy stored in a spring in watch-

One Kilowatt hour is equal to-

The device used to convert solar energy into electricity is

Unit of work is

The energy possessed by a body due to its position is called:

In 1 minute how much energy does a 100 W electric bulb transfers?

On an object the work done does not depend upon:

What happens to its potential energy when an object is taken to high altitude?

The rate of change of work is _______ .

1 Horse Power (HP) = _________ Watt.

What is the unit for measuring the amplitude of sound?

'Bar' is the unit of

Joule is the unit of

Very small time intervals are accurately measured by

Fathom is the unit of

A chronometer measures

Name the instrument used to measure relative humidity

Richter scale is used for measuring

What is the S.I. unit of temperature?

Lux is the SI unit of

Weber is the unit of -------------

Which of the following is a vector quantity?

Which atmospheric layer contains ions and helps in wireless communication?

The energy carriers in the matter are known as

The amplitude of a driven oscillator becomes maximum at a particular frequency known as

According to Galilean transformation equation what is invariant?

Capacitative reactance is

Of the following which one can be used to produce very high magnetic field?

The operation by square of j vector operates on a vector rotates it through an angle

ജൂൾ- തോംസൺ ഇഫക്ട് പ്രകാരം കൂളിങ്ങിനു കാരണം

If velocity of a moving body is made 3 times, what happens to its kinetic energy?

Particle which is known as 'God particle'

Fathom is the unit of

The flux of total energy flowing out through a closed surface in unit area in unit time in electric magnetic field is

The amount of dissolved gas in a liquid is proportional to its partial pressure above the liquid'-the law state this is

Rotation axis coupled with a translation parallel to the rotation axis will give rise to a symmetry operation known as

വാതകങ്ങൾ ദ്രാവകങ്ങളിൽ മർദ്ദം പ്രയോഗിച്ച് ലയിപ്പിക്കുന്നതുമായി ബന്ധപ്പെട്ട നിയമം

One 'Pico meter' equal to :

A fine beam of light becomes visible when it enters a smoke-filled room due to?

The filament of a bulb is made extremely thin and long in order to achieve?

Which of the following relations represents the correct mathematical form of Ohm’s law?

A UV light is passed from an optical fiber into air at an angle of 45° and the refractive index of the fiber is √2. The angle of refraction will be?

"Through which process does water spread quickly in soil?"

The part of an electric motor that reverses the direction of flow of current in it is?

If a ray of light is incident passing through the center of curvature of a concave mirror, then the angle between the incident ray and the reflected ray will be equal to?