MEDIUM
9th ICSE
IMPORTANT
Earn 100

Sunlight is incident on a concave mirror parallel to its principal axis. The image is formed at a distance of 26 cm from the pole. Find the radius of curvature of the concave mirror in SI units.

Important Questions on Light

HARD
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 6 - Light>Self Evaluation Test>Q 10

In the given figure, AB is an object, A'B' is its image and MN is the position of the mirror. State the kind of mirror. Also, complete the ray diagram to show the formation of the image.

Question Image

HARD
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 6 - Light>Self Evaluation Test>Q 11
In a dark room, a parallel beam of light is incident on a plane mirror and another parallel beam of light is incident on a white wall. What will be your observation and why?
HARD
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 6 - Light>Self Evaluation Test>Q 12
Two plane mirrors M1 and M2 are erected 20 cm apart parallel to each other. A point object is placed between them and 5 cm from mirror M1 determine the distance of the three nearest images from the mirror M1.
MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 6 - Light>Self Evaluation Test>Q 13
 What do you mean by lateral inversion? Write the letters of English alphabet which in front of plane mirror do not show lateral inversion.
HARD
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 6 - Light>Self Evaluation Test>Q 14
Find the position, size and nature of the image formed by a spherical mirror from the given data: Focal length, f=-12 cm, object distance, u=-36 cm and size of the object, O=2 cm.
HARD
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 6 - Light>Self Evaluation Test>Q 15
An object of size1.2 cm is placed at a distance of 12 cm  from a convex mirror of radius of curvature 12 cm . Find the position of the image and size of the image.