EASY
7th CBSE
IMPORTANT
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Which lens is used for correcting the long-sightedness?

Important Questions on Light

EASY
7th CBSE
IMPORTANT
Science 7>Chapter 15 - Light>Oral Questions>Q 5

Each lens has a point, a ray passing through it goes without deviation. What is the name of that point and where is it located?

EASY
7th CBSE
IMPORTANT
Science 7>Chapter 15 - Light>Oral Questions>Q 1
Name a triangular pyramidal piece of glass that splits white light into lights of seven colours.
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 15 - Light>Oral Questions>Q 2

Which of the seven colours deviates (a) the least and (b) the most, when a ray of white light travels through a prism?

EASY
7th CBSE
IMPORTANT
Science 7>Chapter 15 - Light>Oral Questions>Q 3
Write the order in which different colours appear in the spectrum of white light.
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 15 - Light>Oral Questions>Q 4
Light of which colour—red or violet, travels faster?
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 15 - Light>Oral Questions>Q 5
Which phenomenon is responsible for the formation of the rainbow?
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 15 - Light>Summative ASSESSMENT>Q 1
What is the angle equal to 90° minus the angle between the mirror and the incident ray called?
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 15 - Light>Summative ASSESSMENT>Q 2
Which image cannot be obtained on a screen?