Question

Define the following terms.
(a) Mirror
(b) Lens​

Answer 1

Explanation:

Mirrors, which have curved surfaces designed to reflect rays, also form images

A lens is a transparent device with two curved surfaces, usually made of glass or plastic, that uses refraction to form an image of an object

Answer 2

Answer:

a. A smooth highly polished reflecting surface is called mirror.

>> Types of mirror - a. Plane mirror & b. Spherical mirror ( Convex mirror & concave mirror).

b. Lens is transparent medium surface bounded by two refracting surfaces.

>>types of lens - a. Simple lens ( convex lens and concave lens) & Compound lens ( combination of different lens ).