MEDIUM
7th CBSE
IMPORTANT
Earn 100

What do you understand by the focus of a lens? How will you find the focus of a convex lens?

Important Questions on Light

MEDIUM
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 8 - Light>Exercises>Q C
What is refraction? Explain with an example.
EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 8 - Light>Exercises>Q D
An image formed by a plane mirror _____ (cannot/can) be seen on a screen.
EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 8 - Light>Exercises>Q D
A _____ image can be formed on a screen.
EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 8 - Light>Exercises>Q D
A convex mirror is one in which the reflecting surface bulges_____.
MEDIUM
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 8 - Light>Exercises>Q D
After parallel rays of light pass through a _____ lens, they seem to come from a point.
EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 8 - Light>Exercises>Q D
A magnifying glass is a _____ (concave/ convex) lens.
MEDIUM
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 8 - Light>Exercises>Q E
Which of these form virtual images only?
EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 8 - Light>Exercises>Q E
A drop of water on a leaf forms a magnified image of the veins because of