Notes and Study material for Exams
Percentage Percent means for every 100 So, when percent is calculated for any value, it means that we calculate the value for every 100 of the reference value. percent is denoted by the symbol %. For example, x percent is denoted by x% x%=x/100 Example : 25%=25/100=1/4 To express x/y as a percent,we have x/y=(x/y×100)% Example : … Read more
Understanding the Power of Numbers: Exploring Different Types of Majorities In a world governed by democratic principles, the concept of majority holds immense significance. It dictates the course of action, shapes public policy, and ultimately determines the direction of a society. But what exactly constitutes a majority? Is it simply a matter of having more … Read more
Rotational Motion A rotation is a circular movement of an object around a center (or point) of rotation . A three-dimensional object always rotates around an imaginary line called a rotation axis. If the axis passes through the body’s center of mass, the body is said to rotate upon itself, or spin. A rigid body … Read more
Simple Telescope and astronomical telescope, Construction working, uses, ray diagram Simple telescope A simple working telescope requires nothing more than a pair of lenses mounted in a tube. The lens in front, known as the objective, focuses an image; the lens in back, known as the eyepiece, magnifies the image. Although it may seem like … Read more
Carbohydrates (glucose, sucrose and cellulose) Carbohydrates (also called saccharides) are molecular compounds made from just three Elements: carbon, hydrogen and Oxygen. Monosaccharides (e.g. glucose) and disaccharides (e.g. sucrose) are relatively small Molecules. They are often called sugars. Other carbohydrate molecules are very large (polysaccharides such as starch and cellulose). Carbohydrates are: a Source Of Energy for the … Read more
Variance Variance (σ2) in statistics is a measurement of the spread between numbers in a data set. That is, it measures how far each number in the set is from the mean and therefore from every other number in the set. In investing, the variance of the returns among assets in a portfolio is analyzed … Read more
The Enduring Legacy of Gandhian Principles: A Guide to Nonviolent Resistance and Social Change Mahatma Gandhi, the iconic leader of India’s independence movement, is renowned for his unwavering commitment to nonviolent resistance. His philosophy, known as Satyagraha, transcended the boundaries of a political struggle, evolving into a powerful framework for social change and personal transformation. … Read more
Mohandas Karamchand Gandhi was ‘a man of millennium’ who imparts the lesson of truth, Non- violence and peace. The philosophy and ideology is relevant still today.The philosophy of Gandhi was based on truth, sacrifice, non- violence selfless service and cooperation. In modern times, nonviolent methods of action have been a powerful tool for social protest. … Read more