Computer Applications
State the two laws of reflection of light.
Reflection of Light
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Answer
The two laws of reflection are —
- The angle of incidence i is equal to the angle of reflection r (i.e., ∠i = ∠r)
∠AON = ∠BON - The incident ray, the reflected ray and the normal at the point of incidence, lie in the same plane.
AO, ON and OB are in one plane.
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Related Questions
Explain the following terms —
(a) plane mirror
(b) incident ray
(c) reflected ray
(d) angle of incidence
(e) angle of reflection.
Draw diagram/diagrams to show them.
Differentiate between reflection of light from a plane mirror and that from a plane wall.
Draw a diagram to show the reflection of a ray of light by a plane mirror. In the diagram, label the incident ray, the reflected ray, the normal, the angle of incidence and the angle of reflection.
(a) Write three characteristics of image formed by a plane mirror?
(b) How is the position of the image related to the position of the object?