EASY
7th CBSE
IMPORTANT
Earn 100

State two applications of converging and diverging lenses.

Important Questions on Light

MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>EVALUATE>Q 8
If a black-coloured object does not reflect any light then how do we see the black printing on the pages of a book?  
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>EVALUATE>Q 1
The image formed in a periscope is upright. Why?
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>EVALUATE>Q 1
What will be the nature of the image formed in a periscope? Explain.
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>EVALUATE>Q 2
Describe how the effects of reflection are used in our daily life?
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>EVALUATE>Q 3
Explain the dispersion of white light when it passes through a prism with help of a labelled diagram. 
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>EVALUATE>Q 4

Draw labelled diagrams to show the principal focus and centre of curvature in spherical mirrors

MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>EVALUATE>Q 4

Draw labelled diagrams to show the principal focus and centre of curvature in lenses.

MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>EVALUATE>Q 5

Write the differences between 

Real and virtual images