MyWiki:WikiProject Physics/Missing physics topics/15

Missing physics topics: Sound, Time, and Research Methods

Sound

• Acoustic absorption coefficient - (
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• Acoustic capacitance - (
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• Acoustic grating - (
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• Acoustic inertance - (
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• Acoustic mass, acoustic stiffness - (
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• Band pressure level - (
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• Diffraction of sound - (
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• Dispersion of sound - (
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• Electrophonic instrument - (
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• Laplace equation for velocity of sound - (
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• Loudness level - (
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• Refraction of sound - (
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• Resonance theory of hearing - (
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• Sensation level - (
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• Sound absorption coefficient - (
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• Sound condensation - (
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• Sound distortion - (
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• Sound energy reflection coefficient - (
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• Sound flux - (
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• Sound pitch - (
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• Sound-wave photography - (
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• Specific acoustic impedance, reactance and resistance - (
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• Summation tone - (
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• Warble tone - (
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Time

• Advanced time - (
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• Dilute thromboplastic time (TDT/DTT) - (
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Research methods

• Borda's weighing method - (
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• Cyclotron resonance experiments - (
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• Density measurement - (
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• Fizeau Method fizeau method - (
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• Frequency measurement - (
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• Ion pair chromatography - (
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• Lithium experiment - (
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• Neutron spectrometry - (
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• Nuclear Densitometer Test - (
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• Perturbation method - (
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• Radiochemical laboratory - (
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• Radiological survey - (
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• Scattering measurement - (
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• Siberian Snake, physics experiment - (
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• Total-reflection X-ray Fluorescence Analysis - (
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Mathematics

• Age equation, age theory, fermi age theory - (
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  ) - Radiometric dating#The age equation
• Apjohn's formula - (
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• Bateman equations - (
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• Berthelot's equation of state - (
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  ) - see Real gas#Berthelot and modified Berthelot model
• Besser function - (
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  ) - typo for Bessel function?
• Biot-Fourier equator - (
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  ) (equation?)
• Bloch's functions - (
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  ) - Bloch wave or Bloch equations depending on context.
• Boltzmann's formula - (
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  ) - Boltzmann equation, Boltzmann's entropy formula, Boltzmann distribution
• Canonical equation - (
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  ) (of what?)
• Carnot-Clausius equation - (
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  ) - is this something different to Clausius theorem?
• Cauchy dispersion formula - (
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  ) - a quick google search suggests this might be the same thing as Cauchy's equation
• Clausius' equation of state - (
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  ) - Real gas#Clausius model?
• Clausius' equation - (
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  ) - Real gas#Clausius model?
• de Broglie equation - (
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  ) - see Matter wave
• Dieterici equation of state - (
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  ) - Equation of state#Dieterici equation of state
• Dissipation function Rayleigh's dissipation function viscous dissipation function - (
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• Dushman's equation - (
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• Einstein's photoelectric equation - (
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  ) - see Photoelectric effect
• Error equation - (
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  ) - Error function?
• Fermi-Dirac distribution function - (
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  ) - Fermi–Dirac statistics
• Finkelstein diagram - (
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• Galilean transformation equations - (
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  ) - see Galilean transformation
• Gaussian lens formula - (
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  ) - google suggests this is Lens (optics)#Thin lens equation
• Hartmann formula - (
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• Helmert's formula - (
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  ) - see Earth's_gravity#Mathematical models (or possibly Helmert transformation)
• Kelvin's formula - (
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  ) - Kelvin equation? Something else named after Kelvin?
• Kirchoff formula - (
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  ) - Kirchhoff equations, Kirchhoff's theorem, Kirchhoff's law of thermal radiation?
• Legendre equation and polynomials - (
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  ) Legendre polynomials, Legendre's equation
• Massieu function - (
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  ) - Free entropy
• Maxwell's formula - (
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  ) - Maxwell distribution? Maxwell's equations?
• Morse equation - (
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  ) - Osmotic pressure#Morse equation
• Newton's equations of motion - (
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  ) - Newton's laws of motion
• Newton's formula - (
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  ) - could be one of several things!
• Plank's formula - (
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  ) - Planck's law
• Point function - (
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  ) - Point spread function?
• Proper function and value - (
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  ) - presumably related to Proper function
• Psychrometric formula - (
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  ) - Psychrometrics?
• Quadrupole radiation formula - (
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• Radial wave equation - (
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• Radiometric equation - (
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  ) - Radiometric dating#The age equation
• Rayleigh phase function - (
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• Rayleigh-Jeans formula - (
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  ) - Rayleigh–Jeans law
• Reduced equation of state - (
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• Reflection density - (
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• Richardson's equation, Dushman's equation, Richardson-Dushman equation - (
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• Routh's procedure - (
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• Sellmeier's equation - (
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  ) - Sellmeier equation
• Stark-Einstein equation - (
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  ) - Photoelectrochemical processes#Stark–Einstein law
• Statistical radiophysics - (
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• Stoke-Kirchhoff equation - (
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• Tossing ionic equation - (
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• Total ionic equation - (
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• Transient Time Correlation Function - (
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• Van de Waals equation of state - (
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  ) - Van der Waals equation
• Van der Waals surface tension formula - (
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  ) - described in Surface tension
• Wien's formula - (
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  ) - Wien's law