Q57 of 112 Page 311

What information do you get about sunlight from the formation of a rainbow?

The information that we get about sunlight from the formation is about dispersion of light. The separation of white light into seven different colors is known as dispersion.


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55

Explain why, when an object is placed between two plane mirrors inclined at an angle, then multiple images are formed.

 56

How can you show that white light (say, sunlight) consists of seven colors?

 58

What is meant by dispersion of light'? Name a natural phenomenon which is caused by the dispersion of sunlight in the sky.

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How many plane mirror strips are there in a kaleidoscope? How are they arranged?