Notes : Shell Theorem and Gravitation Shielding - FAQ and Quiz - Class 11 Physics   Shell Theorem The Shell Theorem describes the gravi...

According to Bohr's theory, an electron in a hydrogen atom can occupy only certain discrete energy states. The energy of an electron in ...

Bohr’s Theory of Hydrogen Atom :  Hydrogen atom consists of a nucleus having charge $+e$ and an electron having charge $-e$.  The electron i...

According to Bohr's model, electrons in a hydrogen atom revolve only in certain permitted orbits having definite energies. When an elect...

Rutherford's Atomic Model According to Rutherford's nuclear model, an atom consists of a tiny, dense, positively charged nucleus a...

Alpha-Particle Trajectory and Impact Parameter Class 12 Physics | Chapter 12: Atoms 12.2.1 Alpha-Particle Trajectory The trajectory (pa...

The Rutherford, Geiger and Marsden Experiment , also known as the Alpha Particle Scattering Experiment or Gold Foil Experiment , was perfor...

Introduction Atoms are the basic building blocks of matter. An atom consists of three basic particles: electrons, protons, and neutrons ....

Defination of Nuclear Fusion :  Nuclear fusion is the process in which two light nuclei combine to form a heavier nucleus. During this pr...

Defination of Nuclear Fission  Nuclear fission is the process in which a heavy nucleus splits into two or more lighter nuclei when bombarded...

Radioactivity is a nuclear phenomenon in which an unstable atomic nucleus spontaneously emits radiation and transforms into a more stable n...