EASY
7th CBSE
IMPORTANT
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What happens when a beam of sunlight is passed through a glass prism? What is spectrum?

Important Questions on Light

EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 15 - Light>Short Answer Type Questions>Q 49

How many colours are there in white light? Name the various colours of white light.

EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 15 - Light>Short Answer Type Questions>Q 50

White light consists of seven colours. Can we mix these seven colours to get white light? Explain your answer.

EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 15 - Light>Long Answer Type Questions>Q 51
What is a lens? Name the two types of lenses. Name any five things which use lenses.
EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 15 - Light>Long Answer Type Questions>Q 51
What kind of lens is used as a magnifying glass?
EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 15 - Light>Long Answer Type Questions>Q 51
Which type of reflector is used in car headlights for producing a parallel beam of light?
EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 15 - Light>Long Answer Type Questions>Q 52
What is meant by ‘dispersion of light’? Name a natural phenomenon which is caused by the dispersion of sunlight in the sky.
EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 15 - Light>Long Answer Type Questions>Q 52
Why does a parting in our hair on the left appear to be a parting on the right when seen in a mirror?
EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 15 - Light>Long Answer Type Questions>Q 53
What is a rainbow? How is a rainbow produced? What information do you get about sunlight from the formation of a rainbow?