SSC MTS EXAM

SSC

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The imaginary line perpendicular to a reflecting surface is called ____
A
crooked line
B
parallel line
C
angular line
D
normal line
Explanation: 

Detailed explanation-1: -A normal is an imaginary line drawn perpendicular to the reflecting surface at the point of incidence. The point of incidence is the point on the reflecting surface at which the incident ray strikes.

Detailed explanation-2: -The normal line is an imaginary line at 90° to where the ray touches the mirror surface.

There is 1 question to complete.