An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

   Homepage   
   


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

<< < R a rad rad rad rad rad rad ran rar ray rea rea rec rec red red ref reg reg rel rel rem rep res res res ret rev Ric rig rin roc roo rot rub Ryd > >>

Number of Results: 703
Rydberg constant
  پایای ِ رودبَری   
pâyâ-ye Rydberg (#)

Fr.: constante de Rydberg   

A fundamental constant of atomic physics appearing in the → Rydberg formula. The Rydberg constant for hydrogen is 109,739 cm-1.

rydberg; → constant.

Rydberg correction
  ارشایش ِ رودبَری   
aršâyeš-e Rydberg

Fr.: correction de Rydberg   

A term inserted into a formula for the energy of a single electron in the outermost shell of an atom to take into account the failure of the inner electron shells to screen the nuclear charge completely.

rydberg; → correction.

Rydberg formula
  هموگش ِ رودبَری   
hamugeš-e Rydberg

Fr.: formule de Rydberg   

A formula, used in atomic physics, which describes the wavelengths or frequencies of light in various series of related spectral lines, such as those emitted by hydrogen atoms.

rydberg; → formula.

<< < R a rad rad rad rad rad rad ran rar ray rea rea rec rec red red ref reg reg rel rel rem rep res res res ret rev Ric rig rin roc roo rot rub Ryd > >>