When beams of red, blue and green lights fall on the same spot, the colour of the light becomes :

Which one of the following colours may be obtained by combining green and red colours ?

When a light beam falls on a triangular glass prism, a band of colours is obtained. Which one of the following statements is correct in this regard ?

The red colour of the Sun at sunset and sunrise is due to –

When a CD (compact disc used in audio and video systems) is seen in sunlight, rainbow-like colours is seen. This can be explained on the basis of the phenomenon of :

Which of the following are the primary colours of light?