Light-Sample Questions

Sample paper Questions
1.   Where does the image form is our eye?
2.   What is the shape of human eye?
3.   What is the working of iris?
4.   Define normal?
5.   Define angle of incidence?
6.   What is a reflection of light? State laws of reflection.
7.   How will you prove that the angle of incidence is equal to the angle of reflection.
8.   Explain the structure and working of a human eye.
9.   What is blindness? How many types of blindness do we know about?