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Motion and Mechanics:
Newton's Laws of Motion:
First Law: An object at rest will remain at rest, and an object in motion will continue moving with a constant velocity unless acted upon by an external force.
Second Law: The force acting on an object is directly proportional to its mass and acceleration, and is given by the equation F = ma.
Third Law: For every action, there is an equal and opposite reaction.
Kinematics: Describes the motion of objects without considering the forces causing the motion. It includes concepts such as displacement, velocity, acceleration, and time.
Gravitational Force: The force of attraction between two objects with mass. It follows Newton's law of universal gravitation.
Conservation Laws: Principles that state certain quantities (such as momentum and energy) are conserved in a closed system.
Thermodynamics:
Laws of Thermodynamics:
First Law: The total energy of an isolated system remains constant; energy can neither be created nor destroyed, but it can be transferred or transformed.
Second Law: The entropy of an isolated system tends to increase over time, indicating the direction of natural processes.
Third Law: As temperature approaches absolute zero, the entropy of a system approaches a minimum value.
Heat Transfer: The processes of conduction, convection, and radiation by which thermal energy is transferred between objects.
Electromagnetism:
Coulomb's Law: Describes the electrostatic force between two charged particles.
Electric Fields and Potentials: Electric fields describe the forces experienced by charged particles in the presence of other charges, while electric potential energy describes the potential to do work.
Magnetic Fields: Generated by moving electric charges and magnetic dipoles.
Electromagnetic Induction: The production of an electromotive force (emf) in a circuit due to a changing magnetic field.
Optics:
Reflection and Refraction: The behavior of light when it encounters a boundary between two different media.
Lenses and Mirrors: The principles of image formation using lenses (converging and diverging) and mirrors (concave and convex).
Interference and Diffraction: The phenomena that occur when light waves interact constructively or destructively, resulting in patterns of bright and dark regions.
Quantum Mechanics:
Wave-Particle Duality: The concept that particles such as electrons and photons exhibit both wave-like and particle-like properties.
Uncertainty Principle: States that certain pairs of physical properties, such as position and momentum, cannot be simultaneously known precisely.
Quantum Superposition and Entanglement: The phenomena where quantum systems can exist in multiple states simultaneously and can be correlated in ways that classical physics cannot explain.
These notes provide only a brief overview of each topic. Feel free to ask specific questions or delve deeper into any particular area of interest!
Last updated on Mar 29, 2024
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Physics Notes : Learn Offline
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Mar 29, 2024