Out of the following which mirror is used in solar furnace
Concave mirror
Convex mirror
Plane mirror
Both plane and convex mirror.
Concave mirror is used in solar furnace.The concave reflector focuses the sun's heat rays on the furnace as it is a converging mirror.
Which of the following can be used to form a real image?
(a) Concave mirror only
(b) Plane mirror only.
(c) Convex mirror only.
(d) Both concave and convex mirrors.