1.

Describe the positions of the source of light with respect to a concave mirror in 1. Torch light2. Projector lamp3. Floodlight

Answer»

(a) Torch light: The source of light is placed at the focus. 

(b) Projector lamp : The source of light is placed at the centre of curvature. 

(c) Flood light : The source of light is placed just beyond the centre of curvature.



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