Question

a. What is reflection?
b. What is a spherical mirror?​

Answer 1

Answer:

Explanation:

Bouncing back of incident rays is called reflection

Answer 2

mate your ans. here....

A). Reflection is the change in direction of a wave at a boundary between two different media, so that the wave moves back into the medium it came from. The most common examples include the reflection of light, sound and water waves.

B). A spherical mirror is a mirror which has the shape of a piece cut out of a spherical surface. There are two types of spherical mirrors: concave, and convex. These are illustrated in Fig. 68. The most commonly occurring examples of concave mirrors are shaving mirrors and makeup mirrors. 

Hope you understand... ✌❤❤