Question

a) Name the type of mirror used to obtain:
(i) an erect, enlarged and virtual image of an object.
(ii) an erect, diminished and virtuai image of an object.
(b) List the new Cartesian sign convention for reflection of light ny spherical mirrors. Draw a diagram and apply these conventions for calculating the focal length and nature of a spherical mirror which forms a 1/3 times magnified virtual image of an object placed 18 cm in front of it.

Answer 1

A:
1) Concave mirror,object between pole(p) and focus(f).
2) Convex mirror,object between infinity and pole.

B: Do by your own plz