Karteikarten
SAT II Physics
Karten in diesem Stapel (10)
- 1Threshold frequency explanation?Minimum frequency that needs to illuminate a metal surface for photoELECTRONS to be emitted
- 2Formula for energy of a photon?E=hf
(= Planck's constant*frequency) - 3Threshold frequency formula?Threshold frequency=Φ/h (= work functions/planck's constant)
- 4Formula for energy levels within any atom?En= [Z²/n² * -13.6ev ] (Z is number of protons in atom's nucleus, n is energy level number)
- 5Energy of an emitted photon formula?Energy of emitted photon = E₂-E₁ (=Energy level higher- Energy level lower)
- 6deBrolglie wavelength formulaλ=h/p (where p= MOMENTUM=mΔv, and h is planck's constant)
- 7Binding energy formulaEbinding= Δm * c² (= (Δm)c²)
- 8energy in a reaction q formula?Q= [(mass of A + mass of B) - (mass of C + mass of D)] c² (where A+B-->C+D)
- 9Relativistic formula for velocityVstationary obj.= [u+v] / [1 + uv/c²] (where u is velocity of large object, and v is velocity of "thrown" object relative to large object)
- 10Relativistic formula for timeΔTstationary= Y (ΔTmoving)
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