HARD
12th West Bengal Board
IMPORTANT
Earn 100

Establish the relation connecting object distance, image distance and focal length of a spherical mirror. Show that the ratio of the length of the image formed by a concave mirror to the length of the object is equal to the ratio of their respective distances from the mirror.

Important Questions on Reflection of Light

MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 12
Explain with neat diagram the formation of image of an extended object by reflection from a convex mirror. Obtain a relation between the object distance, image distance and the focal length of the mirror.
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 13
How will you proceed to determine the focal length of a convex mirror ?
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 1
An object P lies between two parallel plane mirrors M1 and M2. Its distance from the mirror M1 is 4 cm and the second image seen through the mirror M2 is at a distance of 22 cm from M1. Find the distance between the mirrors.
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 2
A point source of light is situated between two parallel mirror A andB. The distance between the mirror is 3cm and the object is 2cm away form one mirror. How far is the third image behind A from the third image behind B?
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 3
Find the angle between two plane mirrors in order that a ray incident on the first mirror in a direction parallel to the second may after reflection in second mirror retraces its path.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 4
Holding a plane mirror of length 1 cm at a distance of 25 cm from his eyes, a man can see the full image of a tree 50 m behind him. What is the height of the tree ?
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 5
A man 2 m tall, whose eye-level is 1.84 m above the ground, looks at his image in a vertical mirror. What is the minimum vertical length of the mirror if the man is able to see the whole of himself ?
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 6
A man stands at the centre of a room. A plane mirror hangs in the wall in front of him. What should be the minimum height of the mirror through which the man can see the full image of the wall behind. The height of the wall is 4.2 m.