All of the options are fundamental postulates of quantum mechanics, which is a branch of physics that studies the behavior of matter and energy at the atomic and subatomic level.

According to the kinetic theory of gases, the average kinetic energy of particles in a system is directly proportional to the temperature of the system.

All of the options are consequences of the second law of thermodynamics, which states that the total entropy of an isolated system always increases over time.

Maxwell's equations are a set of four partial differential equations that describe the behavior of electric and magnetic fields and their interactions with matter.

The microcanonical ensemble, canonical ensemble, and grand canonical ensemble are all statistical ensembles used to describe the behavior of a system of particles in statistical mechanics.

The Boltzmann distribution is a probability distribution that describes the distribution of particles in a system of particles, the distribution of energy among particles in a system of particles, and the distribution of particles in a system of particles in a particular energy state.

Entropy, free energy, and partition function are all fundamental concepts in statistical mechanics, which is a branch of physics that studies the behavior of matter and energy at the macroscopic level.

Entropy is a measure of the disorder or randomness in a system. The more disordered a system is, the higher its entropy.

All of the options are consequences of the third law of thermodynamics, which states that the entropy of a perfect crystal at absolute zero is zero.

The Heisenberg uncertainty principle states that the position and momentum of a particle, the energy and time of a particle, and the angular momentum and position of a particle cannot be simultaneously known with perfect accuracy.

Electrons, protons, and neutrons are all types of elementary particles, which are the fundamental building blocks of matter.

The Pauli exclusion principle states that no two electrons can occupy the same quantum state in an atom. This principle is responsible for the structure of the periodic table of elements.

Visible light, X-rays, and microwaves are all types of electromagnetic radiation, which is a form of energy that travels through space in the form of waves.

The speed of light in a vacuum is approximately 299,792,458 meters per second, or 300,000,000 meters per second, or 300,000 kilometers per second.

Gravitational force, electromagnetic force, weak nuclear force, and strong nuclear force are all fundamental forces of nature.