Solar cooker: It is a device that uses the energy of sunlight to heat or cook food
1. Concave Mirror: Those mirrors have a reflecting surface as a curved inward that absorbs all the light coming towards them. It is also known as a converging mirror.
2. Concave mirrors are used for solar energy storage in solar cookers.
In the rearview mirror in vehicles, safety mirror in shopping malls, and in viewing full size images of the distant tall buildings we use a convex mirror.