Universal Gas Constant
Value of Universal Gas constant is 8.31 J mol⁻¹ K⁻¹
Constants
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 contained in the amount of substance given by one mole. Avogadro’s constant, often designated with […]
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 single proton or electron. This elementary charge is a fundamental physical constant and is measured […]
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. If you could travel at the speed of light, you could go around the Earth […]
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