Maharashtra Board Solutions for Chapter: Reflection of Light, Exercise 1: Exercise

Describe the positions of the source of light with respect to a concave mirror in
1. Torchlight  
2. Projector lamp 
3. Floodlight

Why does obtaining the image of the sun on a paper with the help of a concave mirror burn the paper?

What sign conventions are used for reflection from a spherical mirror?

Which type of mirrors are used in the following?

Periscope, floodlights, shaving mirror, kaleidoscope, street lights. headlamps of a car.

An object of height $7 \mathrm{cm}$ is kept at a distance of $25 \mathrm{cm}$ in front of a concave mirror. The focal length the mirror is $15 \mathrm{cm}$. At what distance from the mirror should a screen be kept so as to get a clear image? What will be the size and nature of the image? 

A convex mirror has a focal length of $18 \mathrm{cm}$. The image of an object kept in front of the mirror is half the height of the object. What is the distance of the object from the mirror?

A $10 \mathrm{cm}$ long stick is kept in front of a concave mirror, having a focal length of $10 \mathrm{cm}$ in such a way that the end of the stick closest to the pole is at a distance of $20 \mathrm{cm}$. What will be the length of the image?

Three mirrors are created from a single sphere. Which of the following - pole, the centre of curvature, the radius of curvature, principal axis - will be common to them and which will not be common?