Rules for Drawing Ray Diagrams

What are the three rays we consider to draw ray diagrams in order to show the formation of images by spherical mirrors? How do they propagate after reflection?

Define pole.

Write the relationship between focal length and radius of curvature.

Read the following statements and choose the correct option.

(A) Shadows are formed due to rectilinear propagation of light.

(B) When the position of the earth is between sun and moon, lunar eclipse is formed.

Define the term Principal focus.

Define centre of curvature.