If two lenses of +5 diopters are mounted at some distance apart, the equivalent power…
Physics · JEE Main · NTA Exams — Optics
If two lenses of +5 diopters are mounted at some distance apart, the equivalent power will always be negative if the distance is
- Greater than 40 cm
- Equal to 40 cm
- Equal to 10 cm
- Less than 10 cm
Answer
(A) Greater than 40 cm
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