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Red and green is the most convenient combination during day and night time because of very precise visibility. In modem colour theory, also known as the RGB colour model, red, green and blue are additive primary colours. Red, green and blue light combined together makes whitelight, andthese three colours, combined in different mixtures, can produce almost any colour. This is the principle used to make the colours on computer screen and television.
A transformer cannot work on:
The unit of measurement of noise is –
Light from a point source in air falls on a spherical glass surface (n=1.5 c and radius of curvature = 10 cm). The distance of the light source from the...
Which of the following physical quantities is not conserved in inelastic collisions?
Who laid the foundations of Quantum Theory?
What does 'IC' stand for in electronics?
In nuclear reactor, heavy water is used as –
The apparent weight of a person in a lift moving downward with uniform acceleration is:
Speed of sound in air is unaffected by change in :
What is the magnitude of magnetic force per unit length on a wire carrying a current of 10 A and making an angle of 30° with the direction of a unif...
