Geometrical Optics | JEE Main Solution

JEE MAIN 2025

24-01-2025 SHIFT-1

Question

What is the relative decrease in focal length of a lens for an increase in optical power by 0.1 D from 2.5D ? ['D' stands for dioptre]

Select the correct option:

0.1

0.04

0.40

0.01

✓ Correct! Well done.

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Solution

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