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The refractive index of a medium with respect to vacuum is

The physical quantity which remains constant in case of refraction?

Which of the following has the highest wavelength?

What is the focal length of a curve mirror is it has a radius of curvature is 40 cm.

വൈദ്യുതോർജത്തെ യാന്ത്രികോർജമാക്കി മാറ്റുന്ന ഉപകരണം ?

Two simple harmonic motions, yı = A sinwt and y2 = A coswt are superimposed on a particle of mass m. The total mechanical energy of the particle is :

The work done by a force F = [2.3.4] acting on a body if the body is displaced from the point A (3,5,0) to a point B (5.7.0) along the straight line AB is

The frequency of ultrasound wave is typically ---?

Speed of sound is higher in which of the following mediums?

Which type of light waves/rays used in remote control and night vision camera ?

Deviation of light, that passes through the centre of lens is

What is the relation between the radius of curvature and the focal length of a mirror?

Rectification of a circuit is achieved using :

The angle of incidence for the electromagnetic rays to have maximum absorption should be:

താഴെ കൊടുത്തിരിക്കുന്നവയിൽ ഏതിലാണ് ഫിലമെന്റ് ചൂടാക്കി പ്രകാശം തരുന്നത് ?

Why light is said to have a dual nature?

An instrument which enables us to see things which are too small to be seen with naked eye is called

We see the image of our face when we look into the mirror. It is due to:

Reflection obtained from a smooth surface is called a ---.

Cyan, yellow and magenta are

റിഫ്രാക്റ്റിവ് ഇൻഡക്സിൻ്റെ SI യൂണിറ്റ്

Albert Einstein won the Nobel Prize in 1921 for the scientific explanation of

Quantum theory was put forward by

working principle of Optical Fibre

Electromagnetic waves with the shorter wavelength is

A flying jet possess which type of energy

Which of the following device converts chemical energy in to electrical energy?

The commercial unit of Energy is:

When an object falls freely towards the ground, then its total energy:

What is the smallest unit of power?

Which one of the following is not the unit of energy?

1 joule = ________ erg.

Potential energy = mass × ________ × height

Light year is a unit of

One nanometer is equal to

Nautical mile is a unit of distance used in

Electric current is measure by

Pascal is the unit for

Ohm is a unit of measuring _________

How many base units in SI system?

What is the SI unit of Luminous Intensity?

Unit of Power is known as

The unit of approximate distance from the sun to the earth is:

Which of the following has same units ?

The fundamental unit which is common in F.P.S and M.K.S systems is

Which of the following is not a fundamental quantity?

Physical quantities which depend on one or more fundamental quantities for their measurements are called

Which of the following is not a fundamental unit?

Dispersion of light was discovered by

Light can travel in