Question

Describe the positions of the source of light with respect to a concave mirror in 1. Torch light, 2. Projector lamp, 3. Floodlight. (From Reflection of light chapter)

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Answer 1

Explanation:

we know that light travels in straight light

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Answer 2

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

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

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