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- https://phys.libretexts.org/Bookshelves/University_Physics/Physics_(Boundless)/9%3A_Rotational_Kinematics_Angular_Momentum_and_Energy/9.6%3A_Conservation_of_Angular_MomentumThe law of conservation of angular momentum states that when no external torque acts on an object, no change of angular momentum will occur.
- https://phys.libretexts.org/Bookshelves/Quantum_Mechanics/Quantum_Mechanics_(Fowler)These notes cover the essential core topics of a standard graduate quantum mechanics course. The first lectures here review undergraduate quantum and modern physics as a reminder, this optional materi...These notes cover the essential core topics of a standard graduate quantum mechanics course. The first lectures here review undergraduate quantum and modern physics as a reminder, this optional material was only covered briefly in class.
- https://phys.libretexts.org/Courses/Joliet_Junior_College/Physics_201_-_Fall_2019/Book%3A_Physics_(Boundless)/10%3A_Rotational_Kinematics_Angular_Momentum_and_Energy/10.09%3A_Conservation_of_Angular_MomentumThe law of conservation of angular momentum states that when no external torque acts on an object, no change of angular momentum will occur.
- https://phys.libretexts.org/Bookshelves/Classical_Mechanics/Classical_Mechanics_(Dourmashkin)/01%3A_Introduction_to_Classical_Mechanics/1.01%3A_IntroductionAlongside this development and refinement of the concept of force and its application to the description of motion, the concept of energy slowly emerged, culminating in the middle of the nineteenth ce...Alongside this development and refinement of the concept of force and its application to the description of motion, the concept of energy slowly emerged, culminating in the middle of the nineteenth century in the discovery of the principle of conservation of energy and its immediate applications to the laws of thermodynamics.
- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/03%3A_Atomic_Theory_and_Periodic_Table/3.02%3A_Atoms_and_the_Periodic_Table/3.2.05%3A_PhET-_Rutherford_ScatteringHow did Rutherford figure out the structure of the atom without being able to see it? Simulate the famous experiment in which he disproved the Plum Pudding model of the atom by observing alpha particl...How did Rutherford figure out the structure of the atom without being able to see it? Simulate the famous experiment in which he disproved the Plum Pudding model of the atom by observing alpha particles bouncing off atoms and determining that they must have a small core.
- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/General_Physics_I%3A_Classical_Mechanics/63%3A_Quantum_Mechanics/63.03%3A_Example-_Simple_Harmonic_Oscillatorψn(x,t)=√α√π2nn!Hn(αx)e−12α2x2e−iEnt/ℏ(n=0,1,2,3,…) The physical significance of the wave fu...ψn(x,t)=√α√π2nn!Hn(αx)e−12α2x2e−iEnt/ℏ(n=0,1,2,3,…) The physical significance of the wave function is that its square, |ψ|2=ψ∗ψ, gives the probability of finding the particle at position x.1 Squaring Eq. (60.8), we find this probability function for the harmonic oscillator is
- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/PHY_1030%3A_General_Physics_I/09%3A_Rotational_Kinematics_Angular_Momentum_and_Energy/9.6%3A_Conservation_of_Angular_MomentumThe law of conservation of angular momentum states that when no external torque acts on an object, no change of angular momentum will occur.
- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/General_Physics_I%3A_Classical_Mechanics/01%3A_What_is_PhysicsTheoretical physics concentrates on developing the theory and mathematics of these laws, while applied physics focuses attention on the application of the principles of physics to practical problems. ...Theoretical physics concentrates on developing the theory and mathematics of these laws, while applied physics focuses attention on the application of the principles of physics to practical problems. These include astrophysics (physics of astronomy), geophysics (physics of geology), biophysics (physics of biology), chemical physics (physics of chemistry), and mathematical physics (mathematical theories related to physics).
- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/General_Physics_I%3A_Classical_Mechanics/63%3A_Quantum_MechanicsAlthough classical mechanics can be applied to a wide range of situations, it was discovered at the beginning of the 20th century that it cannot be applied to very small distance scales—say on the ord...Although classical mechanics can be applied to a wide range of situations, it was discovered at the beginning of the 20th century that it cannot be applied to very small distance scales—say on the order of the size of an atom or smaller. For these small distance scales, classical mechanics no longer works, and a completely different system of mechanics is needed, called quantum mechanics.
- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/General_Physics_I%3A_Classical_Mechanics/63%3A_Quantum_Mechanics/63.02%3A_Quantum_MechanicsYou may wonder: how can it be that a particle is in many places at once, or that the place where it appears is completely unpredictable, or that it is in an unknown state unless we're measuring it, or...You may wonder: how can it be that a particle is in many places at once, or that the place where it appears is completely unpredictable, or that it is in an unknown state unless we're measuring it, or that it can be both a particle and a wave at the same time?
- https://phys.libretexts.org/Learning_Objects/Visualizations_and_Simulations/PhET_Simulations/PhET%3A_Rutherford_ScatteringHow did Rutherford figure out the structure of the atom without being able to see it? Simulate the famous experiment in which he disproved the Plum Pudding model of the atom by observing alpha particl...How did Rutherford figure out the structure of the atom without being able to see it? Simulate the famous experiment in which he disproved the Plum Pudding model of the atom by observing alpha particles bouncing off atoms and determining that they must have a small core.
