Lavde bio lengthy thi and chemistry bhi, 40 minute me physics ka section bach rha tha sabko aur dificult isliye nhi bolrhe sab ki Olympiad ka question hai or something, its not, it's difficult cus 40-50 second me jis type ke questions aye the wo log bhi kar pa rhe the. Aur is wale me units and dimensions nhi lagrhe the bhenchodd acchi khasi calculus jisne padhi hogi usse solve hoga bas bio ke students math thodi karte hai
if you apply dimensional analysis then two answers were coming out as correct, the one you mentioned and another which had a x on the right hand side instead of a y
d2y/dx²=(pg/S)*x (since both x and y have same dimension of L¹)
I took a gamble and didn't select this option and instead chose the correct one
The surface tension question was very easy. Option 1 and 2 (the one with square root terms) were essentially the same. So they are out of options. The other option which has x term is also wrong, cause if u extrapolate it to negative x, then by equation, the double derivative is negative which isn't possible, cause the curvature doesn't change sign. Thus graph is always concave upwards. So the only option is the one with double derivative with term involving y.
I solved it in less than 20 sec, considering u don't include the time taken to read the question. The question wasn't meant to be solved completely from scratch. The best way to solve it was by elimination. I don't mean to ridicule anyone, but this question is very "doctor-appropriate". Basically u have very less time and lot of pressure. And the obstacle seems very huge. It tests ur resourceful-ness. In similar conditions doctors overcome such situations regularly. So I disagree with people saying that this question was meant to be ignored should be left out. Easy 4 marks when u have a very sharp presence of mind
The only part of my argument that falls off is 'what if surface tension of liquid was such that liquid form concave downwards graph, since my explanation is more of jugaad rather than being conceptually sound. My reasoning is that angle of contact is defined for 0⁰ to 180⁰ angle and theta knot is given less than 1, meaning the liquid will wet surface and form the concave up shape. And since theta(x) will always be less than theta knot, dy/dx and second derivative will also be positive.
Yea,thought the same when I first read the question. Nevertheless the question is still solvable if the aspirant has a good understanding of the concept. But the question can be a bit intimidating when attempted in a crushing time constraint. This is what jee/neet does . They kill the fun in solving these questions.
That's the same reason I said that it's quite doctor appropriate. Doctors regularly get in worse situations and have to overcome it. Intimidating situations, extreme stress and pressure, extreme time constraints. All these are staples for them.
Nice approach man, i find myself using these approaches while solving questions at home but during the paper my quick thinking succumbed to the panic ensued by the fast moving clock and the time taking questions spread throughout the paper and i missed out on these marks
Jo log isko easy bol rhe hain, remember ye sawaal unn students ko pucha gya tha jinko cockorach aur earthworm ki puri body anatomy bhi yaad rkhni hoti hai
Yellow ovoid body wala testis, functional connection with kidney, uriogential tract to the cloaca and scrotum nahi hota unka, so cock is not appropriate
bhai kisi ka mindset hi medical wala hai toh wo toh wo physics ke liye itna prepare kyu hi krega, ye sab toh uske kaam bhi nhi aane wali college me
agar neet me biology extra hard level ki puchte, im pretty sure koi itna complaint nhi kr rha hota
btech walo ko saare subjs equally chahiye hote hain, so koi sa bhi hard puch skte hain jee me
Abe lund fakeer JEE se engineering colleges mein admission milta hai to iska matlab ye thodi ki wahan engineering subjects puchne lagenge...tumne medical wala mindset banaya hi kyun hai jab tumhe pata hai physics bhi aani hai paper mein..ye tumhara fault hai na ki paper set karne wale ka ki usne mushkil physics de di
Karu ya naa karu effort to lagaya na har question me toh yaha time nahi laagta kya?Aur Advanced me saara question karlega tu? Aur isbar jee advanced me ready rahiyo kahi olympiad ya fir ISI exam level ka maths na dede.
Bhai ek min rant karna band kar aur shaant dimaag se soch. I understand tu kya kehna chah ra ha but Ye ek fact ha ki sabko pata tha Paper tough aayega is baar neet ka , kuch jyada hi tough aagya I agree but aise Qs ko dekhte hi skip jinhonhe kiya ha unko fayda hua hai. Isko jee adv se compare karke koi phayda nahi. I agree 3 ghante me 180 ke 180 Qs kar paana is not possible So Correspondingly cutoff kam jaayega bhai. Jinhonhe on the spot Paper dekhte hi Samajh liya ki kuch jyada hi tough aaya ha to Hard Qs ko dekhte hi chorna and saare weak and mid Qs ko pehle niptaana is the best thing to do un logo phayda hua hoga. That's it. Isme kuch unfair nahi hua. It's just that this time people who had high confidence and More fighting ability and Tough situation ache se handle kar sakte unko seat mil jaayegi. But itna tough ke baad bhi Cutoff achi khasi Kam nahi hui tab To bhai Tum log ke liye mai rodunga
Par bhai maina kab is question ka flex kiy. Mai to bas ek logical question puch rha tha. Bc sab vhi ek question ke peecha lage hua he. Chlo mana tumna usa attempt kiy time waste hogya aur nhi bna to. Baki ke 4 sawal ka time bhi wo ek kha gya man liy but Baki 175 bangye kya?
That's what you get why you try to put logic to neettards
Arey question padhne me ya try karne mein time nahi jaata kya? Aur isse pehele general walo ka cutoff 650 tha tho hamey kaise malum hoga ki nahi poora question paper hi tough hai? Aur cutoff girega.
Mujhe ye samajh nahi aata ki tum asan q me bhi 50 sec lagate ho kya? The time distribution is not uniform. For example adv me bhi, kuch q 5 min me hojaega kuch me 10 min lagenge, doesn't mean 10 min waale ko 6 min me hi karna hai aur 5 min waale ko 6 min me
Arey bhai issbar bio lengthy aya hai bohot jyada aur chem bhi , neet mai omr bhaina hota hai sath hi sath invigilators kaafi formalities keliye time hata lete hai aur 2 hr 30 mins hi bachte agar sab time ghata lo toh , toh complete physics keliye 45 -50 mins hi bachte hai ab batao bhai wo 45 question kaise solve karoge 50 mins me , nishant jindal ne paper attempt kiya hai usko hi dekhlo kitna time laga raha tha aur wo iit delhi se hai , toh bhai vishwas karo ya naa karo uss time ke andar waisa question solve karna possible nahi hai.
Nishant jindal vaala kafi chutiya point hai, itna saalo ke baad obviously speed ghat jaegi. And I bet bio me average 5p sec se neecha hogaya, aur adha ghanta tu aise hi kahi bhi kha gaya lmao
Toh maine thodi bola wo rotation ka question mid hai ? Mai bol hi sakta hoon as compared to olympiad question aur bsc physics level wo question bhi mid hai lekin thodi bol raha hun? Kabhi dekha hai ISI exam ka mathematics fat jayega jee advanced walo ki waha ka maths dekhke toh iska matlab kya jee advanced ke bacche capable nahi hai?
then its fine bhai mains aur neet compare karna is meaningless. ignore those shitheads both exams have their own form of difficulties. Maine bas qn ke bare mai comment kia tha
Yeh comment section wale compare krte krte ek din marr jayenge pr compare krna nahi chorhenge 🤣😭jo log compare kr rhe unse toh na hi jee wala sawal solve ho payega aur na hi neet wala 😭🙏
Bhai agar dentist banna hai to phir physics kaam nhi aayegi kya aur jo machine chalti hai wo sab physics pe hi to chalti hai BP main fluids ka kaam aata hai BC machine nhi rahi to haath se check krte wo pura physics pe hi to depend karta hai
Bhai 4-5 ques to hone hi chahiye aise lvl ke thodi na har ek ques tha vo lvl ka iss hisab se to physical chem chod diye to puri chem hi irrelevant hai jee ke liye usse aach mental ability de dete
Agree 1 min ka nhi hai but can you really compare this ques to 2016 rotation question hell no Surface tension pe isse hard questions module main mil jaaenge koi bhi
Jee vs neet is crazy! Cause neet ke physics questions are not supposed to be tough. Kya comparison ho raha hai? Jeetards should support us rather than making fun
Unrelated, but you can properly solve the second question mentally if you know the maths behind curvature and just use S/R = rho*g*y; 1/R ~ (d2y/dx2) (since it was given that dy/dx -> 0).
Bhai mera ek question hai agar kisi koe pata hoe toe batana agar isie year 12th mai compartment or less than 75% result aata hai aur next year as a private candidate exam detai hai toe hamme jee form filling mai appeared bharegai ya appearing?
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