What kind of mirror - concave , convex or plain - would be best suited for use in a solar cooker? Why?

What is convex mirror?

What is concave mirror ?

In a hill area pressure cooker is used for cooking food why?

What is the nature of image formed by a convex mirror?

What is energy band gap of a semiconductor? What range of energy band gap of semiconductors is suitable for using in solar cells.

Why is convex mirror used as a rearview mirror in vehicles?

Mention two uses of concave mirror.

Which property of concave mirror is utilised for using them as shaving mirrors?

A ray passing through the principal focus of a concave mirror or a ray which is directed towards the principal focus of a convex mirror, is reflected back along the same path.