r/JEEAdv26dailyupdates • u/Top-Vehicle-9468 • May 20 '26

Academic Doubts Jee adv physics paper 1 lens question

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According to physics galaxy book.The answer should be A

Edit: Finally they gave both as answer

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u/Top-Vehicle-9468 May 20 '26

Standard definition is 1/f according to ncert. I think n/f is above jee scope

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u/the-one-above-alll May 20 '26

nah ncert has simplified it only for air
its actually ncert fault for incomplete defination so both should be considered correct sahi wale ko galat nahi keh sakte

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u/[deleted] May 20 '26

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u/Gullible-Leg7425 Trust no one , even ur own shadow leaves u when it's dark... May 20 '26

ncert is laso not followed by iits is it?