MEDIUM
7th CBSE
IMPORTANT
Earn 100

Define dispersion of light. What did Newton demonstrate by his experiments with the prism?

Important Questions on Light and Associated Phenomena

MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 15 - Light and Associated Phenomena>ASSESSMENT ZONE>Q F
What are the rules that are followed by light during refraction?
MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 15 - Light and Associated Phenomena>ASSESSMENT ZONE>Q F
What type of images can a convex and a concave lens make?
EASY
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 15 - Light and Associated Phenomena>ASSESSMENT ZONE>Q F
What are real and virtual images? Explain with the help of examples.
MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 15 - Light and Associated Phenomena>ASSESSMENT ZONE>Q F
What is the difference between the shape of a convex and a concave mirror? Explain with help of diagrams
MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 15 - Light and Associated Phenomena>ASSESSMENT ZONE>Q F
Explain how is image formed in a human eye.
MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 15 - Light and Associated Phenomena>ASSESSMENT ZONE>Q F
What are regular and irregular reflections? Explain with the help of diagrams.
MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 15 - Light and Associated Phenomena>ASSESSMENT ZONE>Q F
Explain principal focus of mirrors with the help of suitable diagrams.
MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 15 - Light and Associated Phenomena>ASSESSMENT ZONE>Q F
You know that lateral inversion of alphabets can be read in plane mirrors. Now, write the following sentences in laterally-inverted alphabets, and read them using a mirror.
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