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प्रश्न
What colours make up white light?
Name the colours that make up white light.
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उत्तर
The seven colours that make up white light are red, orange, yellow, green, blue, indigo and violet.
संबंधित प्रश्न
Explain giving reason why the sky appears blue to an observer from the surface of the earth? What will the colour of the sky be for an astronaut staying in the international space station orbiting the earth? Justify your answer giving reason.
What information do we get about sunlight from the formation of a rainbow?
Give the meaning of the term VIBGYOR. With which phenomenon is it connected?
Explain why, the sun can be seen about two minutes before actual sunrise. Draw a diagram to Illustrate your answer.
Why are the ‘danger signal’ lights red in colour?
Out of blue light and red light, which one is scattered more easily?
The red colour of the sun at the time of sunrise and sunset is because:
(a) red colour is least scattered
(b) blue colour is least scattered
(c) red colour is most scattered
(d) blue colour is most scattered
Explain in brief the reason for the following :
Advanced sunrise
Which colour of white light is scattered the least? Give reason.
The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light ____________.
