OSCILLATIONS in 1 Shot | Seene me Aag Lagao !! Boards, JEE Main & Advanced Teeno Niptao

📝 For complete notes of Lectures, visit MANZIL 2.0 Batch in the Batch Section of PhysicsWallah App/Website.

Timestamps -
• 00:00 Introduction
• 02:32 Periodic Motion
• 04:12 Oscillatory Motion
• 09:20 Some basic terms
• 17:02 Amplitude
• 19:27 Types of SHM
• 22:00 Conditions to execute SHM
• 40:37 Comparison between Linear and Angular SHM
• 48:35 Phasors
• 1:09:06 Displacement, Velocity, and Acceleration in SHM
• 1:54:23 Energy in SHM
• 2:14:05 Simple Pendulum
• 2:59:46 Effect of Temperature on Simple Pendulum
• 3:11:51 Spring Block system
• 3:37:36 Combination of Springs
• 3:56:08 Torsional Pendulum
• 4:02:23 Compound Pendulum
• 4:26:14 Damped Oscillation
• 4:39:34 Motion of liquid in V-shape tube when it is slightly pressed or released
• 4:47:16 Partially submerged floating body slightly pressed and released
• 4:52:10 Rod as effective Spring
• 4:55:39 Motion of a ball in a tunnel through Earth
• 5:03:35 Time period of other Block pendulums

There are many other important topics of Physics that we are going to cover in upcoming videos for JEE 2022 exam. Stay tuned with JEE Wallah.

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[dhruv.]

every pwian wantss to study whole physics feom rajwant sir!!! 🤩

[sahelisohanitwins]

48:26
X= Sin wt +cos 2wt
=Sin wt + 2cos²wt-1
dx/dt = w cos wt- 4wcos wt sin wt
=w cos wt -2w sin 2wt
d²x/dt²= -w²sin wt - 4w²( cos2wt)


Now d²x/dt²+ w²x
= -w²sin wt -4w²cos2wt +w²sinwt+w²(2cos²wt-1)
=-3w²cos2wt ≠0

So it's not an equation of shm

[AnushkaJadhav-pryq]

Rajwant sir's teaching is all we need ...🕊

[hulk]

32:21 Let's just find the value of x from the equation of S.H.M ;
d²x/dt+w²x=0
=>d²x/dt = -w²x
=>v.dv/dx= -w²x
=>v.dv= -w²x.dx
=>int[0, v]v.dv=int[A, x]-w²x.dx ; [integrating both sides. When x=A then v=0, and when x= any random point b/w mean and maximum amplitude then assume v=v]
=>v²/2=w²(A²-x²)/2
=>v=w(A²-x²)½
=>dx/dt= w(A²-x²)½
=>dx/(A²-x²)½= w.dt
=> int dx/(A²-x²)½= int w.dt
=> sin-¹(x/A)= wt+c [c= integrating constant]
=> x/A= sin(wt+c)
=>x= Asin(wt+c)









Edit: I forgot to include the negative sign on the 5th line of the solution when integrating both sides.

[ankur]

Finally rajwant sir remembered that some students are waiting for him on utube also❤️

[hermionegranger]

2:14:06 SP-Force method
2:21:16 SP-Torque method
2:25:59 Important points

[quickcreations]

I am a neet aspirant really the way rj sir teaches... its a big request to aalakh sir and pw to give neet batches to rj sir.... we want rj sir in yakken... and yakeen pendrive course aldi

[professionalgamersk]

Sir I need one shot of 1-wave 2-wave optics 3-EMW 4- communication system

[itscreateraadesh]

No Tricks, No Shortcut, just Rajwant Sir's Concept ❤️‍🔥💥❤️

[venkatsnehaldatta]

It really feels Illegal to get such quality education for free🤩...

[umamishra]

1:40:26 real answer of phase difference between v and a is pie /2 as change it takes only a 90 ' to make- sin graph

[anchalgupta]

Is alternating current also showing SHM.
Edit : Actually, e^iwt is a Euler's form of (coswt + i sin wt). Apply DMT.

[lakshyajangra]

sir wo to verify SHM ka 3rd que SHM nahi h na ? que time> 00:48:25
because after converting 2wt into wt ek constant term extra bach jati h, to eq. ko satisfy nahi kar pata. sir please reply

[divyajaiswal]

At 4:51:17 rho = sigma as rho is the density of that liquid occupied by the cylinder

[devrwl]

सपने और लक्ष्य में एक ही अंतर है,
सपने के लिए बिना मेहनत की नींद चाहिए
और लक्ष्य के लिए बिना नींद की मेहनत💪💪

[poonamsingh]

Every pw teachers are celebrities 🍾 but with different audiences 😂😂❤❤❤❤...
Lots of love to Rajwant Sir ❤❤

[roastsinister]

25:44 There is a mistake here
at both the extreme positions of the pendulum
PE=max and KE=0

[devilofmyworld]

Hey pw team this was absolutely gold lecture which cleared every concept without diatractions i req for more such recorded one shots of chapters which are really imp please 🙏

[divyajaiswal]

At 4:47:09 T should be 2pi underroot l/g as we have to take volume of both sides

[crazykanna]

When I watch RJ Sir class I always laugh and my mother shouts at me and she think I'm was watching cartoons 😂