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प्रश्न
A lens with an infinite focal length behaves like:
विकल्प
A concave mirror
A strong diverging lens
A simple plane sheet of glass
A strong converging lens
MCQ
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उत्तर
When a lens has an infinite focal length, it does not converge or diverge light at all; it behaves like a simple plane sheet of glass. This occurs when the lens is immersed in a liquid of the same refractive index as the lens material.
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