Physics · 2022
JEE Main · 27 June 2022, Shift 2 · Q46
A convex lens has power P. It is cut into two halves along its principal axis. Further one piece (out of the two halves) is cut into two halves…
A convex lens has power P. It is cut into two halves along its principal axis. Further one piece (out of the two halves) is cut into two halves perpendicular to the principal axis (as shown in figures). Choose the incorrect option for the reported pieces.

Official answer
(1)
Power of $\displaystyle \mathrm{L}_1=\frac{\mathrm{P}}{2}$
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.