Students can access the Karnataka 2nd PUC Physics exam important question for board exams. The exam is scheduled for March 6, 2026, as part of the ongoing KSEAB exams.
\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.
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