Which kind of mirror is used a torch reflector? Draw a labelled diagram to show how a torch reflector can be used to produce a parallel beam of light. Where is the bulb placed in relation to the torch reflector?

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Solution

Concave mirror is used as a torch reflector.
Diagram:
Reason : rays coming from infinity, after reflection from concave mirror meet at focus.

Bulb is placed at the focus of the torch reflector.

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

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Question 12
In torches, search lights and headlights of vehicles the bulb is placed

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Which mirror is used as a street light reflector?

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Which kind of mirror is used a torch reflector? Draw a labelled diagram to show how a torch reflector can be used to produce a parallel beam of light. Where is the bulb placed in relation to the torch reflector?

Concave mirror is used as a torch reflector. Diagram: Reason : rays coming from infinity, after reflection from concave mirror meet at focus. Bulb is placed at the focus of the torch reflector.

Concave mirror is used as a torch reflector.
Diagram:
Reason : rays coming from infinity, after reflection from concave mirror meet at focus.

Bulb is placed at the focus of the torch reflector.