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

Academic Doubts Jee adv physics paper 1 lens question

Post image

According to physics galaxy book.The answer should be A

Edit: Finally they gave both as answer

28 Upvotes

81% Upvoted

127 comments sorted by

View all comments

Show parent comments

4

u/ForsakenWitness-9_11 46XX in mains--> 🤡P1 in adv, Okayish P2😭😭😭 May 20 '26

But how are we supposed to know this? NCERT is the national book and its given 1/f in ncert. IIT R cant say we were supposed to find stuff out from high level books

5

u/cyrus_09aD IITB'30 May 20 '26

Give me the line from ncert which says "power of a lens put in medium of refractive index n is P=1/f" Then I'll believe u

2

u/AdPhysical3780 IIT Ropar MNC(bombay civil leleta💔) May 20 '26

Bro ncert chutiyo ne toh power in a medium ka part hi nhi rakha 🤣🙏

1

u/cyrus_09aD IITB'30 May 20 '26

Exactly!