EASY
10th CBSE
IMPORTANT
Earn 100

State any two uses of convex lenses.

Important Questions on Refraction of Light

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.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Short Answer Type Questions>Q 18
Define the principal focus of a concave lens.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Short Answer Type Questions>Q 19
Draw a ray diagram to show the formation of a real magnified image by a convex lens. (In your answer book sketch the position of object and image with respect to the principal focus of lens should be shown clearly).