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

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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

Light Reflection and Refraction

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25/12/2020 10:53 am

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Trisha Dave

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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

(d) at the centre of curvature of reflector

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25/12/2020 10:54 am

Arsh01

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(b) at the focus of reflector

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