Tag: SS3 ONLINE STUDY

Photoelectric Effect In the photoelectric effect, it was shown that when light falls on a surface, electrons are emitted from […]

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, […]

When the pressure in the discharge tube is less than 10-4 mm of Hg, the discharge tube starts showing fluorescence. When […]

Electrons: When a high tension discharge passes between electrodes sealed into a partially evacuated vessel, the gas becomes luminous showing a series […]

Spectra Embedded in an atom which consists of a nucleus that is positively charged and which revolves round the orbit […]

The discreteness of atomic energy levels was first shown directly in the Franck-Hertz experiment. This experiment is one of the […]

In Figure 25.1, we’ve drawn a few of the energy levels of a hypothetical atom. Let’s start by looking at […]

Some of the important postulates of the Bohr’s model of the atom were that the electrons moved around the nucleus […]

Below are the applications of Photoelectric effect: The photoelectric effect is used in the photoelectric cell which converts a light […]