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Inner curved surface is known as concave mirror because inner side of the spherical mirror is polished to reflect the light is called concave mirror,and concave mirror is know because concave mirror converges parallel beam of light.
convex mirror is not used in solar cooker since it form image inside the polished surface
concave mirror
Concave mirror
Concave mirror
it is called concave mirror
A concave mirror is a spherical mirror with a reflective inside surface. When the reflective surface is made more curved, the distance between the focal point and the surface increases. A concave mirror can form both virtual or real images.
A CONCAVE mirror is a mirror with a reflecting surface that curves inward.
it is called concave mirror
A mirror with a surface that curves inward
Concave mirror is that spherical mirror in which the reflection of light takes place in the bent-in surface(also called concave surface).
A shaving mirror is concave as it used used to magnify the image.