Hopefully, these notes and formulas of modern physics have helped you in getting a stronghold over the concept. That speed is close to the speed of light propagation.Īlso, checkout 15 Must Read Bestselling Quantum Physics Books 2021 In 1905, Albert Einstein, through the theory of relativity explained and showed that references move at very high speeds.In the year 1900, he proposed that the energy-charged by the electromagnetic field can be quantified. Wilhelm Röntgen in 1895 discovered the existence of X-rays.There are several that help in providing a deeper understanding of the structure of matter and atoms. There have been a number of different experiments which have marked the history of Modern Physics. Take a look at the Top 10 Toughest Exams in India Important Discoveries in Modern Physics Each of the product disintegrations is a new element which has chemical and physical properties distinct from that of the parent atom.do not affect the rate of disintegration. External conditions like Temperature, Pressure etc.Law of conservation of charge is also interconnected to the laws of radioactivity.Radioactivity takes place due to the disintegration of a nucleus.JEE Advanced Exam Pattern 2020 Laws of Radioactivity Current is dependent on the intensity of the incident light.The stopping potential does not depend on the intensity of the light.For a negative potential of the collector, the current is reduced to zero indicating that is some upper limit of the energy that electrons emit.Due to a change in potential, the electrons gradually changing in the number reflects that the ejected electrons possess a variety of velocities.Current for zero value potential reflects that the electrons are ejected from the given surface of the emitter with random energy.Mentioned below are important notes for this topic: Effect of Collector’s Potential on Photoelectric Current Making notes while practising a subject will also help you in the last moment revision. While gearing up for engineering entrance exams or any other rigorous competitive exams, you must learn about the basic core concepts of modern physics. You might be interested in: Physics Syllabus for Class 12 Modern Physics: Notes Here are the major formulas of Modern Physics that you must know about: Quantity There are different formulas required to crack derivations and concept based questions. General Formula for Center of mass of a rigid body is : Ni 1 miri Ni 1mi where R is the position vector for center of mass, r is the generic position vector for all the particles ofthe object and N is the total number of particles. In order to cover different topics of modern physics, it is important to go through the formulas which you must remember as they will help you solve numerical problems in competitive exams. Geiger-Marsden Experiment (Rutherford’s Experiment)Ĭheck Out: Class 12th Physics Electrostatics Notes Modern Physics: Formula.Atomic Theory and the Evolution of the Atomic Model in General.Important Discoveries in Modern Physicsīeing a vital part of the physics syllabus for Class 12, modern physics consists of a variety of foundational topics and some of these have been mentioned below:.Effect of Collector’s Potential on Photoelectric Current.
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