Johannes Kepler in his working with data together with Tycho Brahe, put forth three laws which described the motion of […]
Author: StopLearn Team 2
Satellites are bodies, natural or artificial which move in orbits around the moon or planets. Artificial satellites are made by […]
A gravitational field is a region of space surrounding a body that has the property of mass. Sir Isaac Newton, […]
Radioactive decay
Radioactive decay is the spontaneous radioactive disintegration of an atomic nucleus, resulting in the release of energy. Some atoms are […]
Wave-Particle duality
Wave Particle Duality https://www.slideshare.net/slideshow/embed_code/key/CRKb3v30H4U8rCWave particle duality from Alessio Bernardelli From the foregoing discussions, we seem to be in a dilemma as to […]
Particle nature of matter
Particle Nature of Matter Photoelectric Effect In the photoelectric effect, it was shown that when light falls on a surface, […]
The wave nature of X-rays was established by X-ray diffraction experiments. In the same way the Davisson and Germer experiment […]
Thermionic emission, also known as thermal electron emission, is the process by which charge carriers, such as electrons or ions, […]
Cathode rays
When the pressure in the discharge tube is less than 10-4 mm of Hg, the discharge tube starts showing fluorescence. When […]
Conduction of electricity in gases
Electrons: When a high tension discharge passes between electrodes sealed into a partially evacuated vessel, the gas becomes luminous showing a series […]