Physics GRE equations

Card Set Information

Author:
broach13
ID:
306332
Filename:
Physics GRE equations
Updated:
2016-07-23 07:56:22
Tags:
physics gre equations
Folders:

Description:
Some relevant equations for the physics GRE
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user broach13 on FreezingBlue Flashcards. What would you like to do?


  1. Power (dot product)
  2. Coefficient of static friction; angle
  3. Lagrangian (equation of motion)
  4. Force; potential energy
  5. Hamiltonian (equations of motion)
     , 
  6. Center of mass integral
  7. Moment of inertia integral
  8. Torque (cross product)
  9. Power (rotation, dot product)
  10. Angular momentum (cross product)
  11. Newton II (rotational)
  12. Pendulum (period, simple)
  13. Pendulum (period, simple, moment of inertia)
  14. Kepler III
  15. Pressure vs depth
  16. Buoyant force
  17. Equation of continuity
  18. Bernoulli
  19. Wave speed in a string (tension, density)
  20. Wavenumber
  21. Wave equation
  22. Power delivered by oscillation
  23. Speed of sound
  24. Decibels
  25. Hamiltonian (given Lagrangian)
  26. Gauss law electricity
  27. Gauss law magnetism
  28. Faraday law induction
  29. Ampere-Maxwell law
  30. Divergence theorem
  31. Stokes theorem
  32. E field from potentials
  33. B field from potentials
  34. Poynting vector
  35. Intensity of EM radiation
  36. Radiation pressure
  37. EM wave relates E,B
  38. Lorentz force
  39. Lorentz force (current wire)
  40. Auxiliary D, H fields
  41. Electric polarization
  42. Magnetization
  43. Dielectric constant (rel. permittivity)
  44. Relative permeability
  45. Defn of diamagnetism
  46. Defn of paramagnetism
  47. Defn of ferromagnetism
    Like paramagnetism,but more extreme and with domains
  48. Electric dipole moment
  49. Potential energy of E dipole
  50. Torque on magnetic dipole
  51. Potential energy on B dipole
  52. B field inside long solenoid
  53. E field inside conductor
    0
  54. Direction of E field outside conductor
    Normal to surface
  55. Potentials of conductor
    Surface is equipotential
  56. Define n-type semiconductor
    Doped with atoms carrying excess electrons (e.g. nitrogen-group atoms like P or As)
  57. Define p-type semiconductor
    Doped with atoms carrying fewer electrons (results in holes) (e.g. Al-group atoms like gallium)
  58. E field at interface (boundary cond)
    •  
  59. B field at interface (boundary cond)
     (parallel components discontinuous)
  60. What happens when EM wave hits conductor?
    E field changes phase by 180 deg, B field doesn't change phase.
  61. Ohm's law (the better variant)
  62. Defn of current density
     = 
  63. Resistance from resistivity
  64. Resistors (series, parallel)
    Additive, reciprocal of sum of reciprocals
  65. Capacitors (series, parallel)
    Reciprocal of sum of reciprocals, additive (opp. resistors)
  66. Def capacitance
  67. Capacitor energy
  68. RC circuit time constant
  69. Definition of inductance
  70. Solenoid inductance
  71. Faraday's law for inductor (emf)
  72. Energy of inductor
  73. LC circuit frequency
  74. RLC circuit (damped frequency)
  75. Reactance (capacitive)
  76. Voltage/current lag in AC circuit with capacitor
    Voltage lags current by 90 deg
  77. Inductive reactance
  78. Voltage/current lag in AC circuit with inductor
    Current lags voltage by 90 deg
  79. Impedance
  80. "Ohm's law" in AC circuits
  81. Joule heating losses
  82. Voltage transformer (in/out)
  83. Current transformer (in/out)
  84. Equipartition theorem
    Each degree of freedom contributes 0.5*k*T
  85. rms speed of ideal gas
  86. most probable speed of ideal gas
  87. avg speed of ideal gas
  88. Order of v(rms), v(avg), and v(mp) in ideal gas
    v (rms) > v(avg) > v(mp)
  89. Mean free path (cross section)
  90. Internal energy of ideal gas
  91. Relate const. pressure & const. vol heat capacity
  92. Adiabatic process
  93. Adiabatic constant of monatomic gas
    5/3
  94. Partition function
     (g is degeneracy)
  95. Average energy given partition function
  96. Relate probability to partition function
  97. Fermi-Dirac distribution
  98. Bose-Einstein distribution
  99. Entropy (microstates)
  100. Entropy (heat)
     (law 3 fixes S(0) = 0)
  101. Entropy (partition function)
    S
  102. Define temperature in terms of entropy
  103. Const pressure heat capacity Maxwell relation
  104. Const vol heat capacity Maxwell relation
  105. Dulong-Petit model
    • Heat-capacity for solid @ high T
  106. Debye model of heat capacity
     as T->0
  107. Clockwise process in PV diagram
    Does work on surroundings
  108. Counterclockwise process in PV diagram
    Work done on surroundings
  109. Carnot engine
    • 1. Isotherm expn
    • 2. Adiabat expn
    • 3. Isotherm comp
    • 4. Adiabat comp
  110. Thermodynamic efficiency
  111. Helmholtz F.E.
  112. Enthalpy
  113. Gibbs F.E.
  114. Partition function & Helmholtz
  115. Chem potential and Helmholtz F.E.
  116. Blackbody power
  117. Wien's law
  118. Planck distribution
  119. Speed of EM wave (electromag constants)
  120. Phase velocity
  121. Group velocity
  122. Index of refraction
  123. Object distance / image distance for plane mirror
  124. Magnification of spherical mirror
  125. Magnification of image
  126. Diffraction limit

What would you like to do?

Home > Flashcards > Print Preview