ONE MARK QUESTION FOR LIGHT REFLECTION & RETRACTION
1. What is rectilinear propagation of light?
2.Define Snell's Law.
3.What is virtual image?
4.Name the Convergent & Divergent mirror.
5.Where should an object be placed on the principal axis of concave mirror so that it's real image is of the same size as that of the object?
6.Write the relation between u, v & f for mirror.
7.What is the magnification of the image formed by plane mirror & why?
8.Name the type of the mirror used in head lights of buses and cars.
9.Name the type of mirror used in solar furnaces.
10.Define refractive index.
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