Griffith Definition and 24 Threads

I'm currently studying Griffiths electrodynamics on my own and I want to be done with it once and for all. I however don't know if all the chapters are important for the rest of physics and which ones can be skipped without loss of continuity. Can someone give me some insight?

In the statement encircled, what does Griffiths actually mean?

I can't why there are four elements in each ket instead of only two

My problem is in (b) it written sketch psi (X,0) as function of X , why the answer was like this I didn't understand the branch from a to b Best

Hello, I've been researching textbooks to use for my first-year E&M course and since I have no previous knowledge of E&M, I've been reading University Physics by Young et al. and Serway's book. I am pretty annoyed at the verbosity of the texts and the banal exercises where most exercises are...

Homework Statement Example 5.9 in Griffiths's Introduction to Electrodynamics 4th shows us how to find B of a very long solenoid, consisting of n closely wound turns per unit length on a cylinder of radius R, each carrying a steady current I. In the solution, he goes on to explain why we don't...

Homework Statement ca(0)=1, cb(0)=0 zeroth: ca(t)=1, cb(t)=0 1st: ca(t)=1, cb(t)=i/hbar*integral(H'(t) exp(iwt)) dt ca^2+cb^2=1 to 1st order of H'.: What does it mean? it is evidently not 1 at all. Homework EquationsThe Attempt at a Solution

Hi all, I'd like some assistance regarding some issues I have understanding such states. (Referencing Griffiths' QM) 1) Meaning of Bound and Scattering States. The bound states I have studied thus far are limited to the infinite square well and the quantum harmonic oscillator. In the case of a...

Homework Statement Homework Equations ##σ_b = \vec P ⋅\hat n The Attempt at a Solution The polarized system could be transformed into two charged discs S1 and S2 of radius a kept at a distance L. The discs S1 and S2 have surface charge densities -P and P respectively. A) For L>>a, In...

Homework Statement I need help in solving (c) and (d). Homework EquationsThe Attempt at a Solution Since the force acting on the bar is Magnetic force and magnetic force does no work, the speed of the bar will remain same i.e. v0. Question (d) is not making sense to me.

I was solving the problems given by Griffith in his book 'Introduction to Electrodynamics' and stumbled across this question. "Because sigma (conductivity of the medium) is a function of position, the equation 7.5 does not hold" --i get this point; current density isn't constant and so its...

<Moderator's note: Moved from a technical forum, so homework template missing> Sorry i have one question to ask how to check the v.dl part in this problem i cannot do this problem as it is too hard to integrate the equation How did griffith get this long-horrible equation(see the orange...

In the books of electrodynamics by Griffith, He explain the physical view of the polarization inside of the dielectric matter. He try to make a picture polarized charge being offset near one. However, I wonder how the chage can be offset with other molecular but not with own proton. Definitely...

Senior in Fall. Is a full course on vector analysis necessary: Stockes theorem, Green Theorem, differential forms, etc. I feel like Griffith's Electrodynamics gives a sufficient overview of Vector analysis in Chapter 1 covering all you need. I've only taken the required Calc 1 - 3 sequence +...

I was reading in Griffit's "Introduction to Elementary Particles" when I stumbled over the following Remark in chapter 4.4.3.1. CP eigenstates are constructed by |K_1> = \frac{1}{\sqrt{2}}(|K^0> - |\bar{K^0}) |K_2> = \frac{1}{\sqrt{2}}(|K^0> + |\bar{K^0}) and, assuming CP conservation...

I have a problem in the Griffith textbook (Introduction to Electrodynamics), Question 1.21, where it asks what is the meaning of the vector (A.∇)B, my simplistic approach would be to calculate the divergence of A which should be a scalar and multiply it out by Bx,By,Bz) to compute the x...

Andy Griffith dies at 86 http://tv.yahoo.com/news/andy-griffith-dies-at-86.html I remember the show (the last two years of original broadcasts) from way back when. It seemed a kinder and gentler time on TV, against the turmoil of the Vietnam War, the anti-war movement, and the Civil Rights...

Homework Statement Introduction to Quantum Mech Griffiths 4.9for the problem of a finite square well v(r) = {-Vo r<= a (i will call section I) 0 r>a (section II)Homework Equations After I find uI and uII uI = A sin(K r) uII = De^-kr and then set the boundary condition uI =...

All politics aside, I saw a slightly different version of this commercial and didn't even recognize him at first. Age 84, he has really aged since I saw him last. https://www.youtube.com/watch?v=gAAwXhBhU4Q Another one that surprised me was the last public appearance made by Bill Cosby...

Homework Statement Infinite parallel-plates capacitor (distance = d), opposite charge densities (+/– sigma); NO OTHER INFORMATION GIVEN... questions: a) determine 9 elements of stress tensor b) determine force per unit area on top plate (+ sigma) c) What is the momentum per unit area and...

[SOLVED] GRIFFITH 3.18 Please explain how they got this Homework Statement The potential at the surface of a sphere (radius R) is given by Vo=kcos3\theta\where k is a constant. find the potential inside and outside the sphere. Homework Equations Their first step was: Vo(\theta) =...

Homework Statement In the example of the grounded conducting sphere in the uniform electric field (Ex. 3.8), suppose we keep the constant of integration in V for large r, so that V -> EorPlcos\theta + Vo the electric field at large r is unchanged. Find V outside the sphere under these...

I just saw a very bright meteor streak across the sky. I thought someone was shooting off fireworks until I remembered this.. http://www.griffithobs.org/skyreport.html I want to go out and watch some more, but it's cold outside.

Wondering if your professor using this as main text, how good will it prepare you for Graduate Q.M course. Would you recommend to simultaneously study material from some other text. I wonder because we are finishing chapter 2 and problems do not seem that challenging, just bunch of integral...