Laws of Conservation in Nature – Class 11 | Chapter – 1 | Physics Short Notes Series PDF for NEET & JEE

Laws of Conservation in Nature: The conservation laws in physics are very important when it comes to understanding the subject. The laws are:

  • Laws of Conservation of Mass
  • Laws of Conservation of Energy
  • Laws of Conservation of Momentum
  • Laws of Conservation of Charge etc

Laws of Conservation of Mass

The law of conservation of mass states that the total mass in a closed system remains constant, regardless of the chemical reactions or physical processes that occur within the system. This means that the total amount of matter in a system cannot be created or destroyed, only transformed from one form to another.

The law of conservation of mass was first stated by Antoine Lavoisier in the 18th century, and is based on the idea that matter is conserved in chemical reactions. This law is a cornerstone of the field of chemistry, and has been confirmed by numerous experiments and observations.

The law of conservation of mass is related to the law of conservation of energy, which states that the total amount of energy in a closed system also remains constant, even though it may change form. These laws are essential for understanding the behavior of physical and chemical systems, and are used to make predictions about the outcomes of experiments and to design new technologies.

Laws of Conservation of Energy

The law of conservation of energy states that the total amount of energy in a closed system remains constant, regardless of the physical or chemical processes that occur within the system. This means that energy cannot be created or destroyed, only transformed from one form to another.

The law of conservation of energy is based on the idea that energy is a property of matter, and can take many forms, such as kinetic energy, potential energy, thermal energy, and electromagnetic energy. The law of conservation of energy is a fundamental principle in physics, and is used to understand a wide range of physical phenomena, from the motion of planets and stars, to the behavior of engines and power plants.

The law of conservation of energy is related to the law of conservation of mass, which states that the total amount of matter in a closed system remains constant, even though it may change form. Together, these laws form the basis for our understanding of the behavior of physical and chemical systems, and are used to make predictions about the outcomes of experiments and to design new technologies.

Laws of Conservation of Momentum

The law of conservation of momentum states that the total momentum of a closed system remains constant, unless acted upon by an external force. This means that the momentum of an isolated system of objects will remain constant, unless a net force is applied to the system.

The law of conservation of momentum is based on the idea that momentum is a measure of an object’s motion, and is proportional to its mass and velocity. The law is a fundamental principle in physics, and is used to understand a wide range of physical phenomena, from the motion of planets and stars, to the behavior of objects in collisions and explosions.

The law of conservation of momentum is used to make predictions about the outcome of collisions between objects, and to analyze the motion of systems of objects, such as planets in orbit or objects in a fluid. It is also used in engineering and design, where the conservation of momentum is taken into account in the design of vehicles, machines, and structures.

Laws of Conservation of Charges

The law of conservation of charge states that the total electric charge in a closed system remains constant, regardless of the electrical or chemical processes that occur within the system. This means that electric charge cannot be created or destroyed, only transferred from one object to another.

The law of conservation of charge is a fundamental principle in physics, and is used to understand a wide range of electrical and electronic phenomena, from the behavior of circuits and electrical devices, to the behavior of charged particles in plasmas and electric fields.

The law of conservation of charge is related to the principle of charge symmetry, which states that the laws of physics are the same for positive and negative electric charges. Together, these laws form the basis for our understanding of electricity and magnetism, and are used to make predictions about the behavior of electrical and electronic systems, and to design new technologies.


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By Team Learning Mantras