Page 4 - Science E-Book Prep.3 2024-2025 1st term_ unit 2_Neat

Science Department
Prep.3

Unit two:
Lesson 1: "Mirrors"

Light reflection:-Bouncing the light off in the same medium,when it

falls on a reflecting surface.
Laws of light reflection:

First law:

Angle of Incidence = Angle of reflection

Second law:

The incident light ray, the reflected light ray and the normal to the
surface all lie in one plane perpendicular to the reflecting surface.

First Term 22