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Question
The concave reflecting surface of a torch got rusted. What effect would this have on the beam of light from the torch?
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Solution
The beam of light from the torch will be diffused with lower intensity due to the rusted reflecting surface.
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RELATED QUESTIONS
An object of height 5 cm is placed perpendicular to the principal axis of a concave lens of focal length 10 cm. If the distance of the object from the optical centre of the lens is 20 cm, determine the position, nature and size of the image formed using the lens formula.
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