Class: PhysicsPlus::Constants

Inherits:
Object
  • Object
show all
Defined in:
lib/physics_plus/constants.rb

Overview

This module contains physical constants

Constant Summary collapse

Speed_light_vacuum =

Returns:

C = 299792458.freeze
Gravitational_constant =

Returns:

G = (6.674484 * ( 10 ** (11 * -1.0 ) )).freeze
Planck_constant =

Returns:

(6.62607015 * ( 10 ** (34 * -1.0 ) )).freeze
Reduced_Planck_constant =

Returns:

(1.0545718 * ( 10 ** (34 * -1.0 ) )).freeze
Elementary_charge =

Returns:

(1.602176634 * ( 10 ** (19 * -1.0 ) )).freeze
Boltzmanns_constant =

Returns:

(1.380649 * ( 10 ** (23 * -1.0 ) )).freeze
Planck_mass =

Returns:

(2.176434 * ( 10 ** (8 * -1.0 ) )).freeze
Planck_length =

Returns:

(1.616255 * ( 10 ** (35 * -1.0 ) )).freeze
Planck_time =

Returns:

(5.391247 * ( 10 ** (44 * -1.0 ) )).freeze
Planck_temperature =

Returns:

(1.416784 * ( 10 ** (32 * 1.0 ) )).freeze
Fine_structure_constant =

Returns:

(7.2973525693 * ( 10 ** (3 * -1.0 ) )).freeze
Electrical_constant =

Returns:

(8.8541878128 * ( 10 ** (12 * -1.0 ) )).freeze
Atomic_mass_unit =

Returns:

(1.66053906660 * ( 10 ** (27 * -1.0 ) )).freeze
Avogadros_constant =

Returns:

(6.02214076 * ( 10 ** (23 * 1.0 ) )).freeze
Electron_volt =

Returns:

(1.602176634 * ( 10 ** (19 * -1.0 ) )).freeze
Calorie =

Returns:

4.1868.freeze
Liter_atmosphere =

Returns:

(101325).freeze
Magnetic_constant =

Returns:

(1.25663706212 * ( 10 ** (6 * -1.0 ) )).freeze
Vacuum_impedance =

Returns:

376.73
Coulombs_constant =

Returns:

(8.98755 * ( 10 ** (9 * 1.0 ) )).freeze

Class Method Summary collapse

Class Method Details

.List_different_systems_quantities ⇒ String

Returns List Constants linking different systems of units and conversion factors.

Returns:

  • List Constants linking different systems of units and conversion factors



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# File 'lib/physics_plus/constants.rb', line 60

def self.List_different_systems_quantities
  constants = "    Fine_structure_constant => 0.0072973525693                (Fine structure constant)\n    Electrical_constant => 8.854187812799999e-12              (Electrical constant)\n    Atomic_mass_unit => 4.1868                                (Atomic mass unit)\n    Avogadros_constant => 6.02214076e+23                      (Avogadro's constant)\n    Electron_volt => 1.6021766340000001e-19                   (Electron volt)\n    Calorie => 4.1868                                         (Calorie)\n    Liter_atmosphere => 101325                                (Liter * atmosphere)\n  CONSTANTS\nend\n"

.List_electromagnetic_constants ⇒ String

Returns List electromagnetic constants.

Returns:

  • List electromagnetic constants



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# File 'lib/physics_plus/constants.rb', line 94

def self.List_electromagnetic_constants
  constants = "    Magnetic_constant => 1.25663706212e-06                    (Magnetic constant)\n    Vacuum_impedance => 376.73                                (Vacuum impedance)\n    Electrical_constant => 8.854187812799999e-12              (Electrical constant)\n    Coulombs_constant => 8987550000.0                         (Coulombs constant)\n  CONSTANTS\nend\n"

.List_fundamental_constants ⇒ String

Returns List fundamental constants.

Returns:

  • List fundamental constants



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# File 'lib/physics_plus/constants.rb', line 7

def self.List_fundamental_constants
  constants = "    Speed_light_vacuum => 299792458                           (Speed of light)\n    Gravitational_constant => 6.674484e-11                    (Gravitational constant)\n    Planck_constant => 6.62607015e-34                         (Constant Plank)\n    Reduced_Planck_constant => 1.0545717999999998e-34         (Dirac constant)\n    Elementary_charge => 1.6021766340000001e-19               (Elementary charge)\n    Boltzmanns_constant => 1.380649e-23                       (Boltzmann's constant)\n  CONSTANTS\nend\n"

.List_planck_quantities ⇒ String

Returns List of planck quantities.

Returns:

  • List of planck quantities



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# File 'lib/physics_plus/constants.rb', line 38

def self.List_planck_quantities
  constants = "    Planck_mass => 2.176434e-08                               (Planck mass)\n    Planck_length => 1.616255e-35                             (Planck length)\n    Planck_time => 5.391246999999999e-44                      (Planck time)\n    Planck_temperature => 1.4167840000000002e+32              (Planck temperature)\n  CONSTANTS\nend\n"