Speed of a body is the distance travelled by it per unit time and Velocity of a body is the distance travelled by it per unit time in a given direction. This article deals with why Speed and Velocity are not always equal in magnitude and illustrated with the help of an example.
The movement of a body is motion. The common characteristic of the moving body is that they change their position with time. This article deals with the motion, its types like uniform and non-uniform motion with examples for better clarity.
We have seen many times and even we have tried at our homes that when we put oil in water and stir it, eventually they separate in to two distinct layers. Why is it so? Through this article we will study why oil and water does not mix together, why oil is sticky and why oil floats on water.
Smog is derived from two words i.e. smoke and fog which is also described as a mixture of various gases with dust and water vapour and makes breathing difficult. In 17 years such an alarming situation raised in Delhi which raised health emergency. In this article we will discuss about the sources of smog, how it affects our health and how it is formed; what are the necessary precautions that we can take etc.
Diamond is the star of jewellery. Being hardest substance it shines and sparkle. It has three dimensional arrangement of carbon atoms linked together by strong covalent bonds. In this article we will discuss why diamond shine and sparkle. Which property makes it shiny etc.
Saturn have rings and is the most striking feature of the Solar System. How many rings Saturn have, of what these rings are made up, Why Saturn have rings, how these rings are formed etc. are answered in this article
Till now ISRO has launched maximum 20 satellites at one go; it was PSLV-C34 on June 22, 2016. But now ISRO is going to create a history by launching 104 satellites on board, a flight of Polar Satellite Launch Vehicle (PSLV) on 15 February 2017 from Sriharikota spaceport in Andhra Pradesh. Let us find out how this is possible and what all satellites are going to be launched by ISRO.
Discovery is finding something meaningful that was not of knowledge before. This article deals with various discoveries which is like a new increment to knowledge help in the advancement of mankind like production of crop, medical applications etc.
Physical laws play a crucial role in Science and are considered as fundamental. Many laws of physics are built after various research or some are a modification of existing laws and theoretical research. This article deals with important laws of physics which will help in the preparation of various examinations.
The Sun is the star at the centre of the solar system. It is mainly composed of hydrogen and helium. There are various solar missions launched by observatories to study high resolution and close-up view of Sun and its inner heliosphere (the innermost region of our Solar System) to predict and to better understand the intractable or restive behaviour of the star on which our lives depend.
Various theories or ideas are propounded for the existence of the symbol Infinity but that time it considered as a philosophical concept. This article deals with some facts related to the Infinity symbol like who had discovered this concept, when it was discovered, first time when it was used, how it was used etc.
Radioactivity was gradually understood in terms of the disintegration of atomic nuclei. The three types of radiation are alpha decay, beta decay and gamma decay. Alpha radiation occurs when an unstable nucleus breaks down so as to eject a fast-moving nucleus of helium, which consists of two protons and two neutrons.
National Science Day is celebrated on 28 February to pay tribute to Dr. C.V Raman for his discovery Raman Effect. Let us have a look in detail about National Science Day, 2020 theme, history, how is it celebrated and significance.