TOUGHEST JEE Advanced 2023 Question? Is Hydrostatic Equilibrium Valid? BONUS? CONTROVERSIAL? TOAT?

[@PhysicsWithVinayUppal]

The crucial point of difference here is that I argue that hydrostatic equilibrium is not accurate outside the chimney, because air clearly needs to have speed to enter the furnace and overcome gravity to reach the top of the furnace, in the absence of any pressure gradient as given in the question. Hence we can assume that the decrease in KE corresponding to the flow speed gets converted to PE as the air reaches the top of the furnace and that leaves us with Q = nCp*deltaT. I have explained it physically in this video: kzbin.info/www/bejne/kIGynWt_iLiFmLM Moral of the story: Everyone loves drama but the lesson to be learnt for future serious students is that this is a question to be left in the exam!! We still don't know what JEE will give as the final answer! So just leave it and move on!

[@krishnaanand917]

1:44 *other teachers uploading solution after release of answer key and taking all their time sitting at home under ac* : Asaan question tha, thode se assumption laga ke easily solve ho jaata. *Vinay sir* : mai agar exam de raha hota toh chhod deta ye question aur aage badh jaata He know what is the difference between exam temperament and sitting at home and solving question❤️🫡

[@mr.strangegaming5397]

U talking about Ashish Sir ?

[@gyaneshpathak6709]

@@mr.strangegaming5397 yes 😂

[@raghavjha2605]

This was the only question in physics that I skipped, and I skipped it instantly 😂

[@ishaangulia7241]

How much u getting

[@vaibhavpathak6929]

Which iit?

[@Aurora-if6dy]

this was the most complete and defined solution to this problem, among all others! Thanks!

[@not5669]

Hopefull ranks this year will be similar to last year🌚

[@Aedxn]

capp

[@mehuljain2217]

Bhai mooh mai ghee shakkar tere!!!!

[@AdityaSharma-qb5qp]

kash aur bekar aaye

[@Nika_luffy]

Sorry to break it to you Bhai but nhi ayenge This year only 20+ people are scoring above 300 Last year it was only 2 Cut offs will be similar to 21/20 ig Anyways we'll get to know on 18th All the best for result!!

[@not5669]

@@Nika_luffy bro are you caught up with OP

[@priyanshrawat442]

left that question and went to chem instead lol...not wasting time on such questions

[@PhysicsWithVinayUppal]

Good!

[@animeplanet6891]

Yup. No time for crap

[@gyaneshpathak6709]

Is there any batch or course from stratch to pathfinder level ? Basically , I have 2 yrs.

[@shivaniparmar7086]

Thank you, sir. I have recently started following your lectures, and my physics improved immensely! This was a great video to clear up my concepts further. Please do keep going on!

[@meow-ih6zf]

Idk why I am watching this even though I'm neet aspirant 😂😪

[@akshatshah8680]

Hehe i got it perfectly very well explained by the goat of physics

[@GIRISHKUMAR-d9c]

sir ji yeh va velocity furnace ke just outside hai ya inside

[@gupta2052]

Sir are there any other bonus qs in phy?

[@aaravgp1332]

we are using Bernoulli from the point that air enters the chimney right? Not from the point where it is just about to exit the furnace

[@anshpathak4691]

Thanks a lot for this video ❤

[@theavatar8712]

Sir is there a batch for droppers who got like good ~99%tile in mains, so they only need further practise of good questions like as from pathfinder, Irodov and tricks (as you do upload)?

[@pushkarc28]

vo khud hi krna hoga. teacher question karane ke liye nhi hote.

[@PhysicsWithVinayUppal]

Crash course is perfect for you!

[@theavatar8712]

@@pushkarc28 kitne qsns kruga khud..teachers selected achhe qsns dege na krne ko as they have encountered lots of qsns and teachers ke solutions se new approach ka bhi pta chlega

[@vinayak9828]

@@theavatar8712 bhai sir ka crash course le ke pehle pf hw problems karlo best rahega Then write as many mock papers as u can

[@theavatar8712]

@@vinayak9828 i have the same plan:)

[@Souran4919]

ye lo sir chocolate khaiye

[@krishnarao5533]

samjh toh kuch nhi aaya, sunke accha laga :)

[@peskyguy157]

Kitnse Sare ads

[@ajal3025]

Attempted it in first correct but give 35 min approx to this 😢😢

[@PhysicsWithVinayUppal]

You won. But at what cost? In all seriousness please tell me you mean 3-5 mins not 35!?

[@wardog697]

Rip if you took 35 mins

[@samarveersingh3904]

ye kya krdiye munna

[@ajal3025]

@@PhysicsWithVinayUppal sir i am jee 2024 aspirant currently in 12th so i tried it in relax mode and solved it but took much time

[@samarveersingh3904]

@@PhysicsWithVinayUppal sirr maine to dekhte hi subject change krdiya

[@Souran4919]

sir any new batch for jee 2024 students?

[@PhysicsWithVinayUppal]

Crash Course batch 2 will be coming

[@ihave2enemies]

damnn sir

[@deltafarhan6814]

Chad

[@deepanjandasnn2707]

I got the same ans, but other people are confusing it with the olympiad 2010 problem, there the cases were different 1. It was clearly stated atm pressure changes with hydrostatic law 2.Also there was no air entering theough the lower side, gases were produced in the furnace In this question, I think velocity will indeed be 6

[@PhysicsWithVinayUppal]

Absolutely correct, I agree, there hydrostatic equilibrium was asked to be assumed in the IPHO question.

[@deepanjandasnn2707]

Also sir my logic at 14:21 regarding the terms of temperature cancelling was that, since heating is at constant pressure, and energy per unit mass contains Cp term, the change in kinetic energy is equal to the change in potential energy for the gases in the furnace from bottom to top, this helped me to solve it faster

[@FunnyWorld-Hilarious]

hey bro how much are u expecting ?

[@biswakalyanrath966]

Mai jitna analyse kr paya hu yaha 3 tarah ke log hai 1. Jinko lag rha h h>>H but 8 is not >>1 2. Vinay uppal sir jo bta rhe h ki hydrostatic equilibrium mat assume karo 3. Ashish Arora sir jinhone kaha koi ambiguity nhi h

[@AGARVRAWAT]

@@biswakalyanrath966 ashish arora sir and vinay uppal sir ka solution zyada different nahi h....vinay sir ne ekdum ache se actual tareke se kara h whereas ashish arora sir ne assume kar liya ki chimney mai ghuste he velocity constant rahegi and iss logic se unhone chimney and furnace ke interface mai jo dm/dt aara tha voh nikala...both teachers are correct in there own places but jo log hydrostatic equilibrium assume karke h>>>H ka bahana de rahe h unhone hydrostatic variations ke baare mai socha he nahi tha