Question 1 Report
The inside portion of part of a hollow metal sphere of diameter 20cm is polished. The portion will therefore form a?
Answer Details
Concave Mirror: It is a spherical mirror whose outer surface is polished and inner or concave side is reflecting surface.
Convex Mirror: It is a spherical mirror whose inner surface is polished and outer side or convex side is the reflecting surface.
f = m4 = f = d4
f = 204 = 5cm