Question

In the concave reflector of a torch, the bulb is placed:

a) Between the pole and focus of reflector

b) At the focus of reflector

c) Between focus and centre of curvature of reflector

d) At the centre of curvature of reflector

Answer this

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Answer 1

1. Answer ⤵️⤵️

At the focus of the reflector

When a light bulb is placed at the focus of a concave mirror reflector, the diverging light rays of the bulb are collected by the reflector and then reflected, to produce a strong, parallel-sided beam of light.

2.Answer ⤵️⤵️

. the magnification of a convex mirror is always less than 1.

Answer 2

At the focus of the reflector

When a light bulb is placed at the focus of a concave mirror reflector, the diverging light rays of the bulb are collected by the reflector and then reflected, to produce a strong, parallel-sided beam of light.