EASY
10th CBSE
IMPORTANT
Earn 100

What type of lens would you use as a magnifying glass? How close must the object be to the lens?

Important Questions on Refraction of Light

MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Very Short Answer Type Questions>Q 13
Name two factors on which the focal length of a lens depends.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Very Short Answer Type Questions>Q 14
State any two uses of convex lenses.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Very Short Answer Type Questions>Q 15

Parallel rays of light are refracted by a convex lens to a point called the _____ (centre of curvature / principal focus).

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Very Short Answer Type Questions>Q 15

The image in a convex lens depends upon the distance of the _____ from the lens.

MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Short Answer Type Questions>Q 16
What is lens? Distinguish between a convex lens and a concave lens. Which of the two is a converging lens: convex lens or concave lens?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Short Answer Type Questions>Q 17
Explain with the help of a diagram, why the convex lens is also called a converging lens.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Short Answer Type Questions>Q 17
Define principal axis, principal focus and focal length of a convex lens.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Short Answer Type Questions>Q 18
Explain with the help of a diagram, why the concave lens is also called a diverging lens.