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  2. Chemical symbol - Wikipedia

    en.wikipedia.org/wiki/Chemical_symbol

    Current symbol is Sb. [nb 1] St: Tin: 50: Current symbol is Sn. [nb 1] Tm: Trimanganese: 75: Name given by Mendeleev to an as of then undiscovered element. When discovered, rhenium closely matched the prediction. The symbol Tm is now used for thulium. [nb 3] [nb 4] Tn: Tungsten: 74: Current symbol is W. [nb 1] Tr: Terbium: 65: Current symbol is ...

  3. Radiant exposure - Wikipedia

    en.wikipedia.org/wiki/Radiant_exposure

    I e,Ω [nb 5] watt per steradian: W/sr: M⋅L 2 ⋅T −3: Radiant flux emitted, reflected, transmitted or received, per unit solid angle. This is a directional quantity. Spectral intensity: I e,Ω,ν [nb 3] watt per steradian per hertz W⋅sr −1 ⋅Hz −1: M⋅L 2 ⋅T −2: Radiant intensity per unit frequency or wavelength. The latter is ...

  4. Radiant energy - Wikipedia

    en.wikipedia.org/wiki/Radiant_energy

    I e,Ω [nb 5] watt per steradian: W/sr: M⋅L 2 ⋅T −3: Radiant flux emitted, reflected, transmitted or received, per unit solid angle. This is a directional quantity. Spectral intensity: I e,Ω,ν [nb 3] watt per steradian per hertz W⋅sr −1 ⋅Hz −1: M⋅L 2 ⋅T −2: Radiant intensity per unit frequency or wavelength. The latter is ...

  5. Category:Units of luminous energy - Wikipedia

    en.wikipedia.org/wiki/Category:Units_of_luminous...

    [nb 1] Notes Name Symbol [nb 2] Name Symbol Luminous energy: Q v [nb 3] lumen second: lm⋅s T⋅J: The lumen second is sometimes called the talbot. Luminous flux, luminous power Φ v [nb 3] lumen (= candela steradian) lm (= cd⋅sr) J: Luminous energy per unit time Luminous intensity: I v: candela (= lumen per steradian) cd (= lm/sr) J ...

  6. Category:Units of luminous flux - Wikipedia

    en.wikipedia.org/wiki/Category:Units_of_luminous...

    [nb 1] Notes Name Symbol [nb 2] Name Symbol Luminous energy: Q v [nb 3] lumen second: lm⋅s T⋅J: The lumen second is sometimes called the talbot. Luminous flux, luminous power Φ v [nb 3] lumen (= candela steradian) lm (= cd⋅sr) J: Luminous energy per unit time Luminous intensity: I v: candela (= lumen per steradian) cd (= lm/sr) J ...

  7. Luminous intensity - Wikipedia

    en.wikipedia.org/wiki/Luminous_intensity

    [nb 1] Notes Name Symbol [nb 2] Name Symbol Luminous energy: Q v [nb 3] lumen second: lm⋅s T⋅J: The lumen second is sometimes called the talbot. Luminous flux, luminous power Φ v [nb 3] lumen (= candela steradian) lm (= cd⋅sr) J: Luminous energy per unit time Luminous intensity: I v: candela (= lumen per steradian) cd (= lm/sr) J ...

  8. Template:SI photon units - Wikipedia

    en.wikipedia.org/wiki/Template:SI_photon_units

    Symbol [nb 1] Name Symbol photon energy: n: 1: count of photons n with energy Q p = h c/λ. [nb 2] photon flux: Φ q: count per second: s −1: T −1: photons per unit time, dn/dt with n = photon number. also called photon power: photon intensity: I: count per steradian per second sr −1 ⋅s −1: T −1: dn/dω: photon radiance: L q: count ...

  9. Template:SI light units - Wikipedia

    en.wikipedia.org/wiki/Template:SI_light_units

    [nb 1] Notes Name Symbol [nb 2] Name Symbol Luminous energy: Q v [nb 3] lumen second: lm⋅s T⋅J: The lumen second is sometimes called the talbot. Luminous flux, luminous power Φ v [nb 3] lumen (= candela steradian) lm (= cd⋅sr) J: Luminous energy per unit time Luminous intensity: I v: candela (= lumen per steradian) cd (= lm/sr) J ...