Embibe Experts Solutions for Chapter: The Human Eye and The Colourful World, Exercise 1: Exercise

Why do stars twinkle ? Explain.

Explain the reason of advance sunrise and delayed sunset.

Give a suitable explanation for the given effect:
The duration of the day becomes longer due to refraction of light.
 

Tyndall effect is caused due to

What is the reason for using yellow light as fog lamps?

A narrow beam of white light enters a glass prism and it splits into the colours of the visible spectrum. The lines labelled A to G represent rays of seven main colours of the visible spectrum. Write down the letter that corresponds to the YELLOW ray.

A piece of cloth looks red in the sunlight. It is held in the blue portion of the solar spectrum, it will appear

Split the students in your classroom into three groups and ask the following question:

The colour for which the angle of deviation while passing through the prism is minimum.