Constants

Universal Gas Constant

Value of Universal Gas constant is 8.31 J mol⁻¹ K⁻¹

Boltzmann’s constant

Value of Boltzmann's constant is 1.38 x 10⁻²³ JK⁻¹

Acceleration due to gravity on earth

Value of acceleration due to gravity on earth's surface is 9.8 m s⁻²

Universal Gravitational Constant

Value of Universal Gravitational Constant is 6.67 x 10⁻¹¹ N m² Kg⁻²

What is the value of Avagadro Constant

Avagadro Constant = 6.022 x 10²³ atoms/mol Explanation Avagadro number is the number of particles (atoms or molecules), that is…

What is the charge of electron

Charge of Electron (e) = 1.602 x 10⁻¹⁹ Coulombs Explanation The elementary charge is the electric charge carried by a…

What is the speed of light in vacuum

Speed of light in vacuum (c) = 3 x 10⁸ m/sec Explanation In km/sec, it is close to 300K Kilometres/sec.…

What is the size of our galaxy in metres

Size of our Galaxy = 10²¹ m Explanation  

What is the distance of sun from earth in metres

Distance of Sun from Earth = 10¹¹ m Explanation  

What is the distance of moon from earth in metres

Distance of moon from Earth = 10⁸ m Explanation