NEET Physics Lens Power MCQ Question
A convex lens of focal length 80 cm and a concave lens of focal length 50 cm are combined together. What will be their resulting power?
+6.5 D
−6.5 D
+7.5 D
−0.75 D
Correct Answer
Detailed Explanation
The power of a lens is the reciprocal of its focal length in meters. The total power is the sum of the powers of the individual lenses.
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