MEDIUM
7th CBSE
IMPORTANT
Earn 100

State two uses of a convex lens.

Important Questions on Light

EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 8 - Light>Exercises>Q A
What is white light?
MEDIUM
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 8 - Light>Exercises>Q B
Why is the image formed by a pinhole inverted?
MEDIUM
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 8 - Light>Exercises>Q B
What happens when parallel rays of light fall on a curved reflecting surface?
MEDIUM
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 8 - Light>Exercises>Q B
Convex mirrors are used as rear-view mirrors. Why?
EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 8 - Light>Exercises>Q B
What do you understand by the spectrum of white light?
MEDIUM
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 8 - Light>Exercises>Q B
How is a rainbow formed?
MEDIUM
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 8 - Light>Exercises>Q B
Why does a Newton’s disc appear white when it is rotated?
MEDIUM
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 8 - Light>Exercises>Q C
What are real and virtual images? What are the differences between them?