A convex mirror has a focal length f. An object is placed at a distance f in front of it. The image of the object is produced at

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Important Questions on Reflection of Light

HARD

12th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 7

A diminished virtual image can be obtained only in

MEDIUM

12th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 8

As a view-finder in a motor vehicle, the mirror used is,

MEDIUM

12th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 9

An object is placed at a distance

x_{1}

from the principal focus of a concave mirror on the principal axis. The image is formed at a distance

x_{2}

from the principal focus. The focal length of the mirror is,

HARD

12th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 10

An object is placed at a distance of

60 cm

from a convex mirror. The size of the image is one third of the size of the object. The radius of curvature of the mirror is

MEDIUM

12th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 11

Two plane mirrors (infinitely extended) are kept in parallel with a separation. An object is also kept in between the two mirrors, such that light from the object can be reflected from both the mirrors. Now the total number of virtual images formed by the mirrors is

MEDIUM

12th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 12

A small linear object of length