MEDIUM
10th Karnataka Board
IMPORTANT
Earn 100

Draw the ray diagrams for the image formation in a convex lens when an object is placed at focus F1.

Important Questions on Light - Reflection and Refraction

MEDIUM
10th Karnataka Board
IMPORTANT
The focal length of a concave lens is 30 cm. At what distance should the object be placed from the lens so that it forms an image at 20 cm from the lens?
MEDIUM
10th Karnataka Board
IMPORTANT
Draw the ray diagrams for the image formation in a convex lens when an object is placed at focus F1.
MEDIUM
10th Karnataka Board
IMPORTANT
Draw the ray diagram for the image formation in a convex lens when an object is placed beyond 2F1.
EASY
10th Karnataka Board
IMPORTANT
The image of the English letter Question Image in convex mirror looks like
 
MEDIUM
10th Karnataka Board
IMPORTANT

Observe the given incomplete diagram.

Question Image

Complete the diagram by drawing refracted rays and show the image formed.

MEDIUM
10th Karnataka Board
IMPORTANT
Object distance and image distance of a lens are 30 cm and 10 cm respectively. Find the magnification and decide the type of lens used and nature of the image.
MEDIUM
10th Karnataka Board
IMPORTANT
State the laws of refraction of light.
EASY
10th Karnataka Board
IMPORTANT
Define the principal focus of a convex lens.