HARD
12th West Bengal Board
IMPORTANT
Earn 100

Two plane mirrors are inclined at angle of 60°. An object lies on the bisector of the angle. Explain, with diagrams, the position of the image when three reflections take place. What are the total number of images produced?

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 4
Prove that when an object moves in front of a plane mirror, its image moves equally through the same distance.
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 5
Keeping the incident ray fixed how can you rotate a plane mirror so that the reflected ray is not rotated?
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 6
Why are cinema screens made white and rough?
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 7
What restriction was made in deducing the mirror equation? What is the harm if the restriction is not adhered to?
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 8
How would you identify whether a mirror is plane, concave or convex? 
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 PQ Stands on the principal axis of a convex mirror as shown in fig. 12.80, copy the diagram and complete it to show the formation of the image.  Is the image larger than the object?

                                                                                         Question Image

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 PQ stands on the principal axis of a convex mirror as shown in figure copy the diagram and complete it to show the formation of the image. Is the image virtual? 

                                                                                            Question Image

 

MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 12 - Reflection of Light>EXERCISE 12>Q 10

An image of the sun is cast on a white screen by a concave mirror. What change will be observed in the image if the aperture of the mirror is gradually reduced?