Srisastha Academy, Karaikal.

♻️ Important Scientific Laws and Theories ♻️ ============================== 🔹 Ohm's Law - It states that the current passing through a conductor between two points is directly proportional to the potential difference across the two points provided the physical state and temperature etc. of the conductor does not change. 🔹 Pauli exclusion principle - It explains that no two electrons in the same atom or molecule can have the same set of quantum numbers. 🔹 Raman effect - It is the change in wavelength that occurs when light is scattered by the atoms or molecules in a transparent medium. 🔹 Tyndall effect - The scattering of light by very small particles suspended in a gas or liquid. 🔹 Boyles's Law - It states that temperature remaining constant, volume of a given mass of a gas varies inversely with the pressure of the gas. Thus, PV = K (constant), where, P = Pressure and V = Volume. 🔹 Charles's Law - It states that pressure remaining constant, the volume of a given mass ...

🔷 Matter In Our Surroundings 🔷 Everything found in this universe is made up of some materials, scientists have named them as “matter.” For example, the food we eat, the air we breathe, stones, clouds, stars, plants, animals, water, dust, everything is categorized as matter. ♦️Characteristics of Particles of Matter ➖ Particles of matter are very small, normally, not visible from naked eye. ➖ Particles of matter keep moving continuously, which is known as the “kinetic energy.” ➖Kinetic energy of particles directly depends on the temperature, as temperature increases, the speed of the movement also increases. ➖The particles of matter have attracting force; therefore, they attract each other. ➖The attracting force of the particles keeps the particles together; however, the strength of the attracting force varies from one kind of matter to another. States of Matter Matter has three following states − ➖Solid State ➖Liquid State ➖Gaseous State 🧿Solid State ➖All the solid materials have a d...