de Broglie hypothesis for matter waves in quantum theory

The de Broglie’s hypothesis is very important in Quantum mechanics. A hypothesis is a predicted theory that satisfies with other phenomena but not verified experimentally. Scientist de Broglie gave a this type of theory for matter particles. In this article, we are going to discuss de Broglie hypothesis for matter waves in quantum mechanics, its … Read more

Explanation of Photoelectric effect by Einstein equation

Photoelectric effect was discovered by sir Albert Einstein. There were some failures of classical mechanics to explain the photoelectric effect phenomena. Then Einstein explained the photoelectric effect on the basis of quantum theory. For this, he won the Nobel Prize in 1905. In this article, we are going to discuss the Photoelectric effect, its properties, … Read more

Difference between nuclear fission and nuclear fusion in tabular form

Nuclear fission and nuclear fusion are two nuclear phenomena to produce nuclear heat energy. But these two phenomena occur in different conditions and the amount of heat generation is also different in these two phenomena. In this article, we are going to discuss the definition, properties, examples, uses and differences between nuclear fission and nuclear … Read more

Bohr atomic model of Hydrogen | Bohr theory

At first, scientist Rutherford gave the atomic theory of atoms after the alpha particle scattering experiment. But this theory was unable to consistent with the stability of an atom. This theory of Rutherford was based on classical mechanics. To explain the stability of atoms, scientist Niels Bohr gave a theory or model which is known … Read more

Radioactive isotopes of elements – radioisotopes

In another article, we have learned that the elements that emit alpha, beta and gamma rays spontaneously are called radioactive elements. All elements are not radioactive elements. Again, all isotopes of an element are not radioactive. In this article, we are going to discuss which isotopes of radioactive elements have radioactivity property. Here, we will … Read more

XOR gate circuit diagram using only NAND or NOR gate

XOR gate or Exclusive OR gate is a widely used logic gate in digital electronics. It is one of the logic gates which is available in IC form. We have discussed the basic logic gates like OR gate, AND gate and NOT gate earlier in another article. In this article, we are going to discuss … Read more

All the Basic Logic Gates with Truth Table and diagram

In the Digital electronics the logic gates have significant roles. Most of the digital devices contain integrated circuits (ICs) in it which are made of the logic gates. In this article, we are going to discuss all the basic logic gates with truth table, circuit diagrams, Boolean expressions, operations and uses. This will be helpful … Read more