MEDIUM
7th CBSE
IMPORTANT
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Give differences between a real and a virtual image.

Important Questions on Light

MEDIUM
7th CBSE
IMPORTANT
SCIENCE MADE EASY>Chapter 15 - Light>EXERCISE>Q 4
What did Newton demonstrate with the help of Newton’s disc?
MEDIUM
7th CBSE
IMPORTANT
SCIENCE MADE EASY>Chapter 15 - Light>EXERCISE>Q 5
Write any three uses of concave mirrors.
MEDIUM
7th CBSE
IMPORTANT
SCIENCE MADE EASY>Chapter 15 - Light>EXERCISE>Q 1

With the help of a ray diagram, explain the following term.

Focus of a convex lens.

EASY
7th CBSE
IMPORTANT
SCIENCE MADE EASY>Chapter 15 - Light>EXERCISE>Q 1

With the help of a ray diagram, explain the following term.

Optical centre of a convex lens 

MEDIUM
7th CBSE
IMPORTANT
SCIENCE MADE EASY>Chapter 15 - Light>EXERCISE>Q 1
With the help of a ray diagram, explain the following term: focal length of a convex lens.
MEDIUM
7th CBSE
IMPORTANT
SCIENCE MADE EASY>Chapter 15 - Light>EXERCISE>Q 2
What is meant by dispersion of light?
MEDIUM
7th CBSE
IMPORTANT
SCIENCE MADE EASY>Chapter 15 - Light>EXERCISE>Q 2
With the help of a diagram, show the dispersion of white light of a prism.
EASY
7th CBSE
IMPORTANT
SCIENCE MADE EASY>Chapter 15 - Light>EXERCISE>Q 2
Name the natural phenomena which is caused by the dispersion of light.