Advanced Physics Homework Help Forum

Free advanced physics homework help via qualified mentors. Upper undergraduate and graduate level. Please use the template when requesting help and show your work.

Threads

Hydrogen Wave Function Homework Problem

  • toqp
  • · Replies 1 ·
Replies
1

What amplitude will the input signal have when connected

  • HappyNatty
  • · Replies 1 ·
Replies
1

Perturbation theory energy shift for hydrogen atom

  • philip041
  • · Replies 10 ·
Replies
10
Replies
2

Magnetic Field due to rotating disks

  • E&M
  • · Replies 1 ·
Replies
1

Electric field and boundary conditions

  • KFC
  • · Replies 1 ·
Replies
1

Is My Calculation for Charge Separation Correct?

  • KFC
  • · Replies 1 ·
Replies
1

[Q]How can i draw real graph from complex function?

  • good_phy
  • · Replies 2 ·
Replies
2

Solving Electromagnetism Questions: Charged Particles

  • Billy246
  • · Replies 17 ·
Replies
17

QFT: Is a^+_{-p}\ a_{-p} = a^+_{p}\ a_{p}?

  • ananya J
  • · Replies 2 ·
Replies
2

Rotation Operator/Orthogonal matrices in quantum mechanics

  • maverick280857
  • · Replies 3 ·
Replies
3

Polarization of Waves: Solutions & Explanations

  • Billy246
  • · Replies 2 ·
Replies
2

How is the Number of Quantum States Derived for Combined Einstein Solids?

  • loonychune
  • · Replies 1 ·
Replies
1

Finding Expectation Value of Electric Dipole Moment Matrix Form

  • KFC
  • · Replies 1 ·
Replies
1

Finding unlabeled vitamin B12 using radioactive tracer dilution

  • darren t
  • · Replies 3 ·
Replies
3

Estimating Date of Mouse Visit with Radioactive Decay

  • darren t
  • · Replies 3 ·
Replies
3

SUVAT questions, Projectile motion?

  • Sekonda
  • · Replies 5 ·
Replies
5

Converting Between Light Intensity and Irradiance: How Do They Relate?

  • El Flea
  • · Replies 3 ·
Replies
3

Find Speed of Electron Given Momentum - Equation Explained

  • thata6
  • · Replies 1 ·
Replies
1

Curious problem with resistors

  • Tolya
  • · Replies 12 ·
Replies
12

Calculations using Saturated Vapour Pressure

  • Equium
  • · Replies 3 ·
Replies
3

Center of gravity calculate force on tail

  • Richardos
  • · Replies 1 ·
Replies
1

Distance from pivot to balance a beam with two masses

  • Richardos
  • · Replies 5 ·
Replies
5

Free particle and Heisenburg uncertainty principle

  • KFC
  • · Replies 4 ·
Replies
4

Linear Potential Energy Eigenfunction for Unbound State

  • Domnu
  • · Replies 2 ·
Replies
2

Traffic Shock Wave - Speed & Direction of Wave

  • Greychu
  • · Replies 7 ·
Replies
7

Tnermodynamics: Ground states and entropy

  • Niles
  • · Replies 1 ·
Replies
1

Elegant proof for Sakurai 2.17 harmonic oscillator matrix element

  • Domnu
  • · Replies 3 ·
Replies
3

Commutation of 2 operators using braket notation?

  • philip041
  • · Replies 5 ·
Replies
5

Expectation value of field operator acting on vacuum state

  • Nusc
  • · Replies 4 ·
Replies
4

Sakurai, Chapter 1 Problems 23 & 24

  • quantumkiko
  • · Replies 10 ·
Replies
10

Classical mechanics - Lagrange multipliers

  • LiorE
  • · Replies 3 ·
Replies
3

How to find the equilibrium position and potential energy?

  • KFC
  • · Replies 5 ·
Replies
5

Schroedinger Equation in Momentum Space

  • Domnu
  • · Replies 2 ·
Replies
2

Difficulty with Sakurai, Ch.1, Problem # 9

  • quantumkiko
  • · Replies 2 ·
Replies
2

Electrodynamics: AC-circuits and Kirchhoff

  • Niles
  • · Replies 9 ·
Replies
9

Radial component of del^2 in spherical coordinates? (again)

  • philip041
  • · Replies 4 ·
Replies
4

Final Volume of Ideal Gas After Equilibrium

  • KFC
  • · Replies 2 ·
Replies
2

Is it Possible for a Photon to Create an Electron-Positron Pair?

  • thata6
  • · Replies 7 ·
Replies
7

Mixing gas and find the temperature

  • KFC
  • · Replies 7 ·
Replies
7

How Does Particle Velocity Change Under Conservative Force Along the X-Axis?

  • transgalactic
  • · Replies 7 ·
Replies
7

How Many Times Will a Ball with Insignificant Mass Bounce on a Slope?

  • transgalactic
  • · Replies 3 ·
Replies
3

Quantum number and electronic configuration

  • KFC
  • · Replies 4 ·
Replies
4

Doubling the cell diameter increases the capacitance by what factor?

  • fightinirishk
  • · Replies 1 ·
Replies
1

Solve Optics Problem: Diameter of Star Imaged w/ 18" Telescope

  • eluru
  • · Replies 4 ·
Replies
4

E&M question: suppose the speed of light is greater in an alternate universe?

  • saraaaahhhhhh
  • · Replies 6 ·
Replies
6

Max diff entropy(Info. theory)

  • Edwinkumar
  • · Replies 1 ·
Replies
1

Is Zero the Correct Solution for This Limit Problem?

  • transgalactic
  • · Replies 1 ·
Replies
1

Sakurai 1.27 - Transformation Operators

  • Domnu
  • · Replies 3 ·
Replies
3

Standing waves in a funny Potential distribution

  • frankcastle
  • · Replies 3 ·
Replies
3

What is the Condition for Interference of Two Plane Waves?

  • KFC
  • · Replies 1 ·
Replies
1

How Is the Hermitian Adjoint of a Covariant Differential Operator Calculated?

  • student111
  • · Replies 1 ·
Replies
1

Thevenin equivalent circuit problem

  • leopard
  • · Replies 2 ·
Replies
2

Fermi Energy in a 3D Box: What Happens in the 2D Limit?

  • cosmic_tears
  • · Replies 1 ·
Replies
1
Replies
1

What is the technology used in the ATLAS electromagnetic calorimeter?

  • lozzyjay
  • · Replies 1 ·
Replies
1

Electric displacement in plate capacitor

  • musemonkey
  • · Replies 1 ·
Replies
1

Thermodynamics: Helmholtz free energy

  • Niles
  • · Replies 11 ·
Replies
11

Can A and B be equal in the region between x=0 and x=a?

  • frankcastle
  • · Replies 1 ·
Replies
1

Thermal Physics: 2 Cases, Ratio V(1)/V(2) for Small T

  • Fys
  • · Replies 1 ·
Replies
1

Where Can I Find Thermo Formulas for AP Physics Test?

  • jtfire55
  • · Replies 1 ·
Replies
1

Do Colors Affect Heat Absorption and Electrical Resistance in Metals?

  • barooonscape
  • · Replies 1 ·
Replies
1

Lagrange - A rope sliding off a table - quite difficult?

  • jeebs
  • · Replies 2 ·
Replies
2

Inferring the Principal Quantum Number from a Given Wave Function

  • Useong
  • · Replies 2 ·
Replies
2

Doubleslit experiment and heisenberg uncertainty

  • Swatje
  • · Replies 2 ·
Replies
2

Finding expresion for current through resistor

  • leopard
  • · Replies 1 ·
Replies
1

Sakurai 1.17 - Operators and Complete Eigenkets

  • Domnu
  • · Replies 4 ·
Replies
4

Show Isotropic Tensor: \epsilon _{{{\it ijm}}}\epsilon _{{{\it mkl}}}

  • latentcorpse
  • · Replies 14 ·
Replies
14

Do Photons Have Spin

  • ALYAZAN
  • · Replies 1 ·
Replies
1

What Is the Momentum and Wavefunction of a Free Particle at Time t?

  • najima
  • · Replies 27 ·
Replies
27

Find Min B to Flip Spin-Up in Magnetic Field

  • KFC
  • · Replies 3 ·
Replies
3
Replies
1

How Do You Differentiate V(αr) = α^n V(r) with Respect to α?

  • abeedo
  • · Replies 3 ·
Replies
3

What are the eigenvalues of a non-Hermitian operator?

  • soul
  • · Replies 8 ·
Replies
8

Why Is Work on a Curve Described with Integrals and Differentials?

  • transgalactic
  • · Replies 17 ·
Replies
17

[QFT] Feynman rules for self-interacting scalar field with source terms

  • iibewegung
  • · Replies 2 ·
Replies
2

Expectation Value in Inf. Box in an Eigenstate

  • EnershyMethod
  • · Replies 1 ·
Replies
1
Replies
9

Does an Infinite Potential Well Have a Box in the Middle?

  • element1945
  • · Replies 18 ·
Replies
18

How Do Electron Wavelengths Compare in Different Transitions?

  • shlomo127
  • · Replies 2 ·
Replies
2

How much mass does an atom lose when it emits a photon?

  • aurora14421
  • · Replies 2 ·
Replies
2

What are visual particle dedectors?

  • welmaren
  • · Replies 2 ·
Replies
2

What Velocity Is Needed to Generate a 1 μA Current in a Magnetic Field?

  • lovinuz
  • · Replies 1 ·
Replies
1

How Much Energy is Extracted from Uranium-235 Through Nuclear Fission?

  • element1945
  • · Replies 2 ·
Replies
2

Why separation of variables? (electrostatics)

  • syang9
  • · Replies 1 ·
Replies
1
Replies
1

Is the 52D5/2 Level of Na Atom Degenerate?

  • PatF
  • · Replies 1 ·
Replies
1

How to Derive the 3x3 Spin Matrices S(+) and S(-)?

  • philip041
  • · Replies 10 ·
Replies
10

Quantum problem - Calculating the expectation value of energy?

  • jeebs
  • · Replies 3 ·
Replies
3
Replies
5

Special Relativity homework problems

  • Gogsey
  • · Replies 5 ·
Replies
5

Four gradient operator, covariance/contravariance

  • student111
  • · Replies 10 ·
Replies
10

How to Find the Moment of Inertia Tensor for Rotated Point Masses?

  • qoqosz
  • · Replies 8 ·
Replies
8

Instantaneous Speed & Resistance: Prove Magnitude Proportional to Cube

  • homestar2004
  • · Replies 3 ·
Replies
3

Alternating magnetic field

  • FourierX
  • · Replies 5 ·
Replies
5

Electrons held by magnetic field

  • tan90
  • · Replies 8 ·
Replies
8

Solve dp/dt Velocity Problem: rho, v, g, f, u

  • physiker99
  • · Replies 3 ·
Replies
3

Plane wave onto a planar interface

  • unstoppable
  • · Replies 2 ·
Replies
2

Comparing sound waves to waves in a Coaxial Cable aka T.E.M.

  • heymistergq
  • · Replies 5 ·
Replies
5

What is quark content given strangeness and mass

  • catkin
  • · Replies 18 ·
Replies
18