Relative Decrease in Lens Focal Length (JEE Mains) | ExamDuo
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Magnificatio and Power of a Lens
Medium
Relative Decrease in Lens Focal Length
What is the relative decrease in focal length of a lens for an increase in optical power by 0.1 D from 2.5 D ? ['D' stands for dioptre]
SELECT ONE OPTION
A
0.04
B
0.40
C
0.1
D
0.01
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