JEE · NEET Previous Year 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]
Topic: JEE PYQ
Answer: B. Full step-by-step solution below.
- A0.01
- B0.04
- C0.40
- D0.1
Correct answer: B
Solution
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