HARD
12th ICSE
IMPORTANT
Earn 100

Draw a ray diagram to show the image formation by a concave mirror when the object is kept between its focus and the pole. Using this diagram, derive the magnification formula for the image formed.

Important Questions on Reflection of Light : Spherical Mirrors

HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 1 - Reflection of Light : Spherical Mirrors>QUESTIONS>Q 1

Explain the coordinate geometry sign convention for measuring distances, lengths and focal lengths of spherical mirrors and derive mirror formula.

HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 1 - Reflection of Light : Spherical Mirrors>QUESTIONS>Q 2

Define centre of curvature, radius of curvature and aperture of a spherical mirror and obtain the relation between focal length and radius of curvature of a convex mirror

MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 1 - Reflection of Light : Spherical Mirrors>QUESTIONS>Q 1
An object is placed in front of a concave mirror of radius of curvature 40 cm at a distance of 10 cm. Find the position, nature and magnification of the image.
MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 1 - Reflection of Light : Spherical Mirrors>QUESTIONS>Q 2
A concave mirror has a radius of curvature 30 cm. How far must it be placed from a small object in order to give a five times magnified virtual image?
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 1 - Reflection of Light : Spherical Mirrors>QUESTIONS>Q 3
A concave mirror produces a real image of half the size of an object placed at 60 cm in front of it. Where should the object be placed to obtain a virtual image of double the size of the object?
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 1 - Reflection of Light : Spherical Mirrors>QUESTIONS>Q 4
A 1 cm long flame is placed at a distance of 1.5 m from a wall. How far from the wall should a concave mirror be placed in order to obtain a 2 cm long flame on the same wall? What is the focal length of the mirror?
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 1 - Reflection of Light : Spherical Mirrors>QUESTIONS>Q 5
An object is placed first at a distance of 25 cm and then at a distance of 40 cm from a concave mirror. The magnification in the first case is four times that in the second case, the image being real in both cases. What is the focal length of the mirror?
MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 1 - Reflection of Light : Spherical Mirrors>QUESTIONS>Q 6
An object is placed at 18 cm in front of a spherical mirror. The image is formed at 3.0 cm behind the mirror. Find the focal length and the nature of the mirror.