Question

Write any three differences between A concave mirror and A convex mirror.

Answer 1

Answer:

Concave mirror

• It is also called a converging mirror
• It has a real focus.
• The magnification of a concave mirror can be greater, equal or less than 1.

Convex mirror

• It is also called a diverging mirror.
• It has a virtual focus.
• The magnification of a convex mirror is always less than 1.

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Answer 2

concave. convex concave lens is thin convex lens is thin at

at the centre and buldge edge and buldge at

at edge the centre

2.The image formed by a the image formed by

concave lens is always the convex lens is real

virtual,erect and smaller as well as virtual.

than the object

3.light rays are parallel to light rays parallel to

the principal axis falling the principal axis

on a concave lens go falling on a convex

away from one another lens come together.

(diverge) after reaction.