The concave reflecting surface of a torch got rusted. What effect would this have on the beam of light from the torch?

AcademicPhysicsNCERTClass 7

If the concave reflecting surface of a torch got rusted, then the brightness of the emitted light will be decreased. So, the objects will be less visible as there is no clear beam.

raja
Updated on 10-Oct-2022 13:30:11

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