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General Knowledge for Competitive Exams

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What is Super Blue Blood Moon?

Jul 27, 2018
A supermoon is a moon that is full when it is at its closest point in an elliptical orbit around the Earth and a total lunar eclipse or blood moon in which Earth's shadow upon the lunar eclipse gives it a reddish colour. This article deals with super blue blood moon, its features and significance.

What are the characteristics of Sound Waves?

May 7, 2018
Sound is a form of energy which makes us hear. It travels in the form of wave. Sound wave can be described by five characteristics. Let us study through this article about it.

What is barcode and how is it made?

Mar 26, 2018
A barcode is a square or rectangular image consisting of a series of parallel black lines and white spaces of varying widths. Barcode stores product related data like the date of manufacturing, expiry date, name of the manufacturer, country of the origin and price & quantity of the product. There are two types of barcode one is 1D and other is 2D (2 dimensional).

What is Uniform Circular Motion?

Feb 13, 2018
When the body changes its position with respect to its surrounding, the body is said to be in Motion like motion of moon around the earth. This article deals with a type of motion i.e. Uniform circular motion with examples.

General Science A Complete Study Material

Feb 12, 2018
Understanding the basics of General Science can lead any aspirant to achieve good marks in the examination. Therefore, We have compiled a complete study material on General science with major subjects like Biology, Chemistry and Physics.

What is doomsday clock?

Feb 8, 2018
The Doomsday Clock is a symbol which represents the likelihood of a man-made global catastrophe. This clock is taken care of by the members of the Bulletin of the Atomic Scientists since 1947. This clock represents the causes responsible for threat to humanity. If this clock shows 12 O’clock at midnight; it means that the world can end anytime.

What are the laws of Floatation?

Feb 8, 2018
Floatation depends upon the density. If an object has density less than the density of water, it floats. Principle of floatation is stated by the Archimedes. This article deals with what is floatation, laws of floatation, its applications and examples.

Important facts about Motion

Feb 8, 2018
The Motion requires force to cause that change. It is the process of moving, changing place or position. There are various laws and concepts related to motion which will be useful in understanding the various phenomena held in our daily life. This article deals with various concepts and examples of motion.

What is bio toilet and how does it work?

Jan 29, 2018
Bio toilet is a decomposition mechanized toilet system which decomposes human excretory waste in the digester tank using specific high graded bacteria (aerobic or anaerobic) further converting it into methane gas and water. Bio toilet is a different toilet as compare to the traditional restrooms. It saves a lot of water and helps in keeping the station clean.

What are Kepler’s laws of Planetary Motion?

Jan 24, 2018
Kepler’s planetary law of motion describes the motion of satellites around the planets. Let us study through this article what are Kepler’s three laws of planetary motion with explanation.

List of ISRO Chairmen

Jan 18, 2018
The Indian Space Research Organisation (ISRO) is the space agency of the Government of India headquartered in the city of Bangalore. Since 1963 there are 10 chairman of ISRO has been appointed. The current chairman of the ISRO is K. Sivan who took the charge in January 2018.The first chairman of the ISRO was Dr. Vikram Sarabhai.

How Gravitational Force holds the Solar System together?

Jan 8, 2018
The gravitational force of earth is responsible for holding the atmosphere above the earth. It is also the gravitational force of earth which keeps us firmly on the ground. Various objects attract each other due to gravity only. This article deals what is gravitational force and how this force holds the Solar System together.

What is momentum and its importance in everyday life?

Jan 4, 2018
Momentum is about every activity that involves motion. It is an essential concept of physics and is also used in everyday life. How momentum works, why momentum is important, concept of momentum with examples etc. are discussed in the article.

Why Speed and Velocity are not always equal in magnitude?

Dec 29, 2017
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.

What is the difference between Uniform and Non-Uniform Motion?

Dec 28, 2017
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.

Important Laws of Physics

Dec 22, 2017
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.

Do you know why Oil and Water does not mix together?

Nov 17, 2017
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.

What is SMOG and how it is harmful for us?

Nov 8, 2017
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.

List of Phenomena related to Sound

Oct 27, 2017
Sound is all around us but do you know what is sound. It is a type of energy made up by the vibrations produced. It travels as a wave through a medium like liquid, solid or gas but it does not exist in a vacuum of space. This article deals with the various phenomena of sound with explanation for better understanding.

What makes diamond shine and sparkle?

Oct 9, 2017
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.

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