In torches, search lights and headlights of vehicles the bulb is placed (a) between the pole and the focus of the reflector (b) very near to the focus of the reflector (c) between the focus and centre of curvature of the reflector at the centre of curvature of the reflector

ScienceClass 10CBSEAnswered 27 Mar 2026

Answer

Soln:

Answer is (b) very near to the focus of the reflector

Explanation:

Headlight reflectors and search lights are in the shape of concave mirror. When source of light is placed at the focus, reflected light appears like a beam.

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In torches, search lights and headlights of vehicles the bulb is placed (a) between the pole and the focus of the reflector (b) very near to the focus of the reflector (c) between the focus and centre of curvature of the reflector at the centre of curvature of the reflector

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