Physics · 2024
JEE Main · 4 April 2024, Shift 1 · Q45
An effective power of a combination of 5 identical convex lenses which are kept in contact along the principal axis is 25 D. Focal length of each of…
An effective power of a combination of $\displaystyle 5$ identical convex lenses which are kept in contact along the principal axis is $\displaystyle 25$ D . Focal length of each of the convex lens is:
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle 20$ cm
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JEE Main 2024 Physics question, with the answer from NTA’s final answer key. Where our answers come from.