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.

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Griffiths Problem 4.16 | Is Figure 4.18 a Mistake?

  • ehrenfest
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Solving Griffiths E&M Integral with Polarization in z-Direction

  • ehrenfest
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Calculating E Field from B Field of Monochromatic Plane Wave

  • Nusc
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3

Spinning Question: Electron in Magnetic Field

  • Swatch
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Statistical Physics: Solving C_P & Problem 4

  • ehrenfest
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8

Heat Capacities and Derivatives of Fugacity with Volume per Particle

  • ehrenfest
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Internal resistance of a source

  • Indis Nenhrma
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Use of potentials (electrodynamics, classical)

  • bman!!
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Substituting the plane wave solution into the wave equation

  • janemba
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5

Statistical mechanics - Helmholtz free energy and Z

  • Niles
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1

Calculating Average Speed of Molecules

  • gazepdapi1
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How to Derive Van der Waals Equations from Thermodynamic Relations?

  • nzyme
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Find the velocity using special relativity

  • Qazzy03
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2

Boltzmann equation/ Statistical Mechanics

  • spaphy
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Solving Ground State of Hydrogen Atom QM Problem

  • Beer-monster
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Why Does My Link Say Invalid Attachment Specified?

  • janemba
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Compute the main free path of a hydrogen atom in interstellar space

  • gazepdapi1
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Two-state perturbation problem (QM)

  • Tim87
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Max height of projectile using energy conservation

  • frenchy7322
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1

Magnetism: I Need Help Understanding the Hand Rule!

  • St@rbury
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5

QM Wavefunctions: Coefficient Expansion & Linear Combinations

  • droedujay
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8

What is the terminal velocity of an aluminum loop in a magnetic field?

  • JohnDuck
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Gauss's Law Homework: Find Surface Charge Density

  • musicman05
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Thermodynamics of concrete in a highway

  • newyork
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A vessel at rest explodes, breaking into three pieces

  • Deleote
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Calculating States in a 3D Cubic Potential Well

  • neelakash
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Help: Length Contraction and changing Frames

  • Qazzy03
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2

Time-independent wave function formula

  • droedujay
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8

When to Use Differential vs. Integral Form of Maxwell's Equations?

  • bman!!
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1

Deriving current expression from the info given

  • noobish
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1

Kittel figure 9.12 (I attached it)

  • ehrenfest
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11

Determining Normalization Constant c: Homework

  • psingh
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1

Galilean Transforms-Relativity

  • psingh
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5

Seeking Another Opinion: Could You Review My Work?

  • indigojoker
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7

Possible Values of Angular Momentum in a Rigid Rotor?

  • IHateMayonnaise
  • · Replies 8 ·
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Wavelength, Frequency, and Speed of Light in Different Media

  • TOPOG
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Derive the optical path length of the incident light

  • kpl
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Verifying Rotational Operator in Quantum Mechanics

  • folgorant
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Modern Physics Extended Response Question

  • newyork
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10

Applying an Operator to a Function: [(d^2/dx^2)-x^2]”

  • eit32
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Why Do Sodium D Lines Split and Lack Certain Transitions?

  • t_n_p
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Heisenberg and energy of an electron in a potential well

  • CloudDreamer7
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Thermal Expansion: Hole Diameter in Heated Steel

  • sovankc
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What Happens When Two Charged Capacitors Are Connected?

  • mer584
  • · Replies 22 ·
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FWHM of radioactive sources confusion

  • Luck of Ebisu
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What Is the Relationship Between Band Gap and Temperature in Germanium?

  • physfan
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How to Derive This Four-Component Expression?

  • ercagpince
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Capacitor and a moving bar in magnetic field

  • kishtik
  • · Replies 8 ·
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What are the 3 challenging QM problems in FDR407?

  • eit32
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Constructing Wave Function for Particle in 1D Box: Is it Unique?

  • eit32
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  • Poll Poll

Charge density, carrier concentration, or Hall coefficient for Indium Arsenide?

  • ethereality
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Why Can You Pick Up a Boiling Beaker Without Burning?

  • sovankc
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What is the Minimum Energy Required for Photon-Induced Pair Production?

  • babblingsia
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Looking for good book on thermodynamics

  • ljubak
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What are the minimum and maximum values of theta for the moment equation?

  • Altairs
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3

What is a Phonon Mean Free Path? | Kittle's Solid-State Physics

  • ehrenfest
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Solve Slit Grating Problem: Compute Wavelength of Light

  • Xile
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2

Analysis of Electron Orbits in Magnetic Fields: Bravais Lattice

  • Nusc
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Determine the time rate at which heat is supplied to the engine

  • bigmikey800
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What is the frictional force of a car driving around a curved road?

  • canadiantiger7
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Order of magnitude of Grating Spacing

  • aama100
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Mass m in Ring of Radius r: Probability of Particle Existing is Zero

  • poohgwai
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Problem related to electric and magnetic energy densities

  • Elisa A
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Dynamics Question (water falling from the side of a tank)

  • CloudDreamer7
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2

Momentum from position state vector (quantum mechanics)

  • nobody101
  • · Replies 4 ·
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4

Umklapp Process: K_1+K_2=K_3+G Explained

  • ehrenfest
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Why Does a Half-Filled Valence Band Indicate High Conductivity in Metals?

  • ehrenfest
  • · Replies 13 ·
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Understanding the Lorentz Force

  • ehrenfest
  • · Replies 7 ·
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7

How Does the Dalitz Plot Represent Particle Decay into Equal Mass Particles?

  • iloveflickr
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Diffraction condition and the Fourier transform

  • ehrenfest
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3
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Kittel Chapter 7: Empty Lattice Approximation

  • ehrenfest
  • · Replies 7 ·
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Solving a Magnetic Force Problem: Finding q & r

  • Seikon85
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1

Are Sums and Differences of Eigenfunctions Also Eigenfunctions?

  • eit32
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1

What is the equation for relating tension to frequency?

  • gtp405
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1

Vector Cross Product Formula in Spherical & Cylindrical Coordinates

  • astrosona
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2

What Are Heavy Holes, Light Holes, and Split Off Holes in Semiconductors?

  • ehrenfest
  • · Replies 4 ·
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4

Kittel's Solid-State Physics: Deciphering Polarization p

  • ehrenfest
  • · Replies 11 ·
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11

Solving the Spherical Oscillator Problem

  • T-7
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3

Half Wave Antenna Vector Potential Calculation?

  • stunner5000pt
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1

How to Calculate the Mutual Force Between Two Coils?

  • emlio
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1

Superposition if time varying electric vectors

  • harshasunder
  • · Replies 3 ·
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3

Solving the De Broglie Problem: Calculating Length of a 1-D Box

  • psingh
  • · Replies 4 ·
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Need help with derivation of the range formula

  • Yorganda
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1

Kittel nearly free electron model

  • ehrenfest
  • · Replies 3 ·
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3

How Should Motion Be Initiated in a Lightly Damped Spring System?

  • tjr39
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How Does Special Relativity Affect Collision Time in Moving Spaceships?

  • tarekkkkk
  • · Replies 26 ·
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Magnetic system, partition function

  • nicksauce
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2