The key difference between stress and strain in physics is that stress is the force experienced by an object that causes a change in the object, whereas strain is the change in the shape of the object when stress is applied. Stress and strain in physics are related to each other, and they are directly […]
Difference Between Born Oppenheimer Approximation and Condon Approximation
The key difference between Born Oppenheimer approximation and Condon approximation is that Born Oppenheimer approximation is useful in explaining the wave functions of atomic nuclei and electrons in a molecule, whereas the Condon approximation is important in explaining the intensity of the vibronic transitions of atoms. The terms Born Oppenheimer approximation and Condon approximation or […]
Difference Between Rheology and Viscosity
The key difference between rheology and viscosity is that rheology is the study of the flow of matter, whereas viscosity is a measure of its resistance to deformation. Rheology is a branch of physics or physical chemistry, while viscosity is a quantitative measurement that is useful in chemistry. These two terms are related to fluids […]
Difference Between Free Energy and Activation Energy
The key difference between free energy and activation energy is that free energy is the amount of energy available for a thermodynamic system to perform thermodynamic work, whereas activation energy of a chemical reaction is the energy barrier that has to be overcome in order to obtain products from the reaction. Free energy and activation energy […]
Difference Between Law of Constant Composition and Law of Multiple Proportions
The key difference between law of constant composition and law of multiple proportions is that according to the law of constant composition, the same proportion of samples always consists of the same proportion of elements by mass, whereas according to the law of multiple proportions, if two elements bind with each other forming more than […]
Difference Between Perfectly Elastic and Perfectly Inelastic Collision
The key difference between perfectly elastic and perfectly inelastic collision is that in perfectly elastic collisions, the total kinetic energy of the objects remains the same, whereas, in perfectly inelastic collisions, the total kinetic energy of the objects does not remain the same. A perfectly elastic collision is the opposite of a perfectly inelastic collision. […]
Difference Between Acceleration and Momentum
The key difference between acceleration and momentum is that acceleration refers to the rate of change in velocity of a moving object, whereas the momentum of an object is the product of the mass of the object and its velocity. Acceleration is the rate of change of the velocity of an object along with time. […]
Difference Between Coriolis Effect and Ferrel’s Law
The key difference between Coriolis effect and Ferrel’s law is that the Coriolis effect is the deflection that occurs due to the Coriolis force, whereas Ferrel’s law is the tendency of rising warm air to pull in air from more equatorial and warmer regions and transport it poleward. The terms Coriolis effect and Ferrel’s law […]
Difference Between Lagrangian and Hamiltonian Mechanics
The key difference between Lagrangian and Hamiltonian mechanics is that Lagrangian mechanics describe the difference between kinetic and potential energies, whereas Hamiltonian mechanics describe the sum of kinetic and potential energies. Lagrangian mechanics and Hamiltonian mechanics are important concepts in physical chemistry that come under classical mechanics. The Lagrangian mechanics was developed by the Italian […]
Difference Between Dislocation Creep and Diffusion Creep
The key difference between dislocation creep and diffusion creep is that dislocation creep is the movement of dislocations through the crystal structure of a material, whereas diffusion creep is the diffusion of vacancies through crystal lattice occurs. A deformation in physical chemistry refers to the continuum mechanics transformation of a body from a reference structure […]
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