Tnpsc and Upsc Notes
Letter σ. The standard deviation is represented in the Greek letter σ (sigma). This term refers to the amount of variability in a given set of data. The population standard deviation, denoted by σ, is a measure of how spread out the values of a population are from the population mean. It is calculated using … Read more
Individualistic culture The individualistic culture prioritises the needs of the individual over the needs of the group. It is cross-cultural psychology. A very small number of countries are considered individualistic cultures such as the United States, Australia, Ireland, South Africa etc. This principle came from Dutch social scientist Geert Hofstede and his work on cultural … Read more
What is Money Bill? ‘Money Bills’, the definition is stated in Article 110 of the Indian constitution. Article 110 states that the bill is a money bill if it contains ‘only provisions dealing with any or all of the following matters: A bill is not to be deemed to be a money bill are following: … Read more
Mechanics Mechanics is a branch of physics that deals with the effect of force on bodies and is divided into static and dynamic mechanics. Statics: Statics mechanics studies the bodies at rest under the action of forces. Dynamics: Dynamics mechanics studies the moving bodies under the action of forces. Dynamics are categorised as Kinematics and … Read more
Force A body needs a ‘push’ or ‘pull’ to move or to bring a moving body to rest or change its velocity. Hence this push or pull is called force. Force has both magnitude and direction. Therefore force is a vector quantity. Definition of force in physics Types of Forces Force is classified into types … Read more
Finances of Panchayati Raj The finances of Panchayati Raj were summarized in the Second Administrative Reforms of 2005-2009. In this the financial problems and the sources of revenue of PRI (Panchayati Raj institutions) with summarized. Panchayat receives funds in the following ways: The Panchayat raj was not given enough fiscal empowerment by the state government. … Read more
His first flight summary This story is about a young seagull (bird), which is unable to fly due to fear. On the other hand, his two brothers and his sister started to fly one day before him. The story “His first flight” summarises all the experiences felt by a young seagull and the efforts taken … Read more
How does a halogen lamp work? A Halogen lamp is an incandescent lamp. It is also called Tungsten Halogen or quartz-halogen or quartz iodine lamp. It consists of a tungsten filament that is sealed in a transparent envelope. This envelope is filled with an inert gas mixture. The inert gas mixture consists of a small … Read more
A Tragic story is a poem written by William Makepeace Thackeray. He was one of the great novelists of the English Victorian age. His famous work ‘Vanity fair‘, is the best-known novel in English literature. William Makepeace Thackeray’s works had lively style, simple vocabulary, and clearly structured sentences. Also, his work has an honest view … Read more
Summer comes in a blaze of heat with sunny smiles and dusty feet Then seasons change to muddy roads monsoons and mangoes leapfrogs and toads Spring is pretty but short and sweet when you can smell the grass from your garden seat Autumn is English in red, yellow and brown Autumn is Indian whenever leaves … Read more
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