light

light

Reflection and refraction

Learning objectives 

• State the laws of reflection

  
  

• Draw concave and convex mirrors

  
  

• Define the terms related to the mirrors 

Reflection of light

Laws of reflection

First law : The incident ray, the reflected ray and the normal to the surface of the mirror all lie in the same plane.

Second Law :The angle of incidence is equal to the angle of reflection.

Multiple Choice

The Second law of reflection states that the angle of ________ is equal to the angle of ___________

• Incidence, refraction

• Normal, Incidence

• incidence, reflection

• refraction , incidence

Spherical mirrors

Part of sphere of which mirror is a part

https://youtu.be/MhRb5ABht2E

Poll

The mirror in which the outer bulged surface is the reflecting surface is a _______ mirror

• convex

• concave

Multiple Select

The centre of the reflecting surface of a spherical mirror is called the

• aperture

• pole

• principal focus

• centre of curvature

Open Ended

Are spherical mirrors are used in spectacles ?

Multiple Choice

An imaginary line that passes through the pole and centre of curvature of a mirror

• centre of curvature

• principal focus

• principal axis

• pole of curvature