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JEE PHYSICS MCQ: RAY OPTICS

1 Medium

1 of 1

Application +4 | -1

Two thin lens have a combined power of

10 \mathrm{D}

in contact. When separated by

20 \mathrm{~cm}

their equivalent power is

6.25 \mathrm{D}

. Find their in dividual powers in dioptres -

View answer and explanation

Correct option: C

7.5 and 2.5

Option C (7.5 and 2.5) is correct because it satisfies both the combined power and separated power equations for the two lenses.

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