Explain these terms-:
A) use of spherical lenses
B) Laws of reflection
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(B) Laws of reflection
1. the incident ray, the reflected ray, and the normal to the surface of the mirror all lie in the same plane.
2. the angle of reflection is equal to the angle of incidence .
B)
* Angle of Incidence is always equal to Angle of reflection.
* The incident ray, the normal to the mirror at the point of reflection all lie on the same plane.