Question

7. Define the following terms
a. Incident ray
b. Reflected ray
c. Normal
d. Angle of incidence​

Answer 1

AnswEr:-

• Incident Ray: The ray which Strike is called Incident ray.

• Reflected ray:- The ray which is reflected back is called reflected ray.

• Normal:- normal ray is a ray that is incident at 90 degrees to a surface.

• Angle of incidence:- The angle which am Incident line or ray makes with the perpendicular to the surface at the point of Incidence.

Answer 2

a. incident ray is ray which Strikes the surface and the.

b. reflected ray is the ray which forms after an incident ray strikes a surface on the same plane medium.

c. normal is the perpendicular passing through the plane or the medium.

d.the angle between the normal and the incident ray is said to be the angle of incidence and is denoted by Angle i