JEE ADVANCED 2019 PROB-SHM-🙌BEST SOLUTION-JEE SOLUTIONS-THE ALPHA AND THE OMEGA OF YOUR PREPARATION

LEARN HOW TO CRACK SUCH LENGTHY JEE ADVANCED QUESTIONS WITH CONCEPT AND COMPOSURE IN EXAM CONDITIONS😊
Q : A block of mass 2M is attached spring with spring – constant k. This block is connected to two other blocks of masses M and 2M using two massless pulleys and strings . The acceleration of the blocks are as shown in the figure . The system is released from rest with the spring in its unstretched state. The maximum extension of the spring is . Which of the following option(s) is/are correct?
[ g is the acceleration due to gravity . Neglect friction]
(a)
(b) When spring achieves an extension of for the first time , the speed of the block connected to the spring is
(c) At an extension of of the spring, the magnitude of acceleration of the block connected to the spring is
(d)

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[INSP_NITIN]

Thoroughly enjoyed this problem and the explanation, as always at its best . Keep rocking 👏👏👍👍

[anuragtiwari]

Sir i am a 2021 advance aspirant today my physics faculty suggested your channel to practice good problems but he was shocked when he came to know i am following you since 5 months 🤣🤣🤣
Even other faculties also suggesting janardhan sir, such a proud moment for him!!!

[rishabhrajz]

Putting single choice question in MCQ is bad joke😬
Thanks for the knowledge 🙂🙏

[ambarishphysics]

Excellent Explanation.
Very helpful. 👌

[metablaze]

Pulley questions are rare in adv. Me solving them correctly is much rarer. 👌🏻👌🏻

[manswind]

Sir you were right about JEE Adv Paper setters being clever... I remember solving this Q and getting ABD as the answer, coz I took the effective pulley-block system to be equivalent to a block of mass 3m by direct addition instead of 8m/3. It yielded 3 correct options so that made me confident in my answer and thus I marked it, getting a -6 :')

[noone]

this question tests student's anger management during exams more than knowledge😂😂

[savinyupant]

Man what a clean method to solve that lengthy ques
Hats off👏👏👏

[zed.]

This is what shows your experience.

So guys always study from the best to be the best.

[rajvikramtiwari]

student just marked d option and move forward was thank u sir op expalnation nice concept

[amitprakash]

WOOOW SIR....I heard about this trick, but wasn't able to learn it properly. Thank you so much sir!. I learnt this problem today!

[Ferb]

Mind blown sir🤯
This trick(meff) is how toppers ace 20 min vs 1-2 min but sir i am not told any more such tricks
Did you simplify this yourself after seeing in multiple questions or is it a standard result??
Where do i study more such tricks that GREATLY save time ( i mean the time difference is just😱)

[khushal]

This is how a question should be explained

[Rishi_jat]

Sir lekin jab block move karega uske pass let koi acc a aagya toh hamare Meffective*geffective karna chahiye aapne g hi likha jo ki tab likhte hai jab wo suspend ho jab move karega toh hume khichne wala force ko Meffective*geffective likhna chahiye sir plz clear this doubt
Mtlb humne 8M(g-a)/3k (g-a) kyu nhi likha
g tab likhte jab wo unit suspend hoti yaha wo move karhi hai.

[hemantgupta]

I have seen many solution online but sir how nicely you explained the problem the problem become very very easy. Thanx for this quality content in free for which coaching institute charge in Lakhs

[boomlight]

Helped revising the concept, loved it, like everytime sir 🙏♾️

[anand]

what a wonderful solution sir jee... thank you

[gouharmaquboolnitp]

Beutiful soln. Loved the way of your approach:)

[jalindarshinde]

please sir can you guide me while solving jee advance physics More than one Correct Option question what should be our methodology to solve question, How to extract key concept from that given question and how to approach that particular question ✌️✌️🤗🤗🤗🤗

[yakaiahbandari]

wow sir maza aagya .. proud be telugu and unacademian .. janardhan sir and nitin sir are my phy teachers .. :)