PDF chapter test TRY NOW
Perform Activity I again. his time use a sheet of stiff paper or a chart paper. Let the sheet project a little beyond the edge of the Table. Cut the projecting portion of the sheet in the middle. Look at the reflected ray. Make sure that the reflected ray extends to the projected portion of the paper. 
(a) (b)
Bend that part of the projected portion on which the reflected ray falls. Can you still see the reflected ray?
When we bend the paper, we create a plane different from the plane in which the incident ray and the normal lie but we the reflected ray.
Bring the paper back to the original position. Can you see the reflected ray again? What do you infer?
, the light ray that was reflected is on the sheet.
Incident ray, reflected ray and the normal at the point of incidence lie in the . This activity infers the .
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