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Introduction Oscillations are repetitive back-and-forth motions of a body about a mean position. Many natural phenomena such as the swinging of a pendulum, vibrations of a guitar string, or the motion of springs show oscillatory motion. In physics, the study of oscillations helps us understand waves, sound, alternating currents, and even atomic vibrations....

The human body, as well as that of other animals, is made up of different levels of structural organisation. From cells to tissues, organs, and organ systems, each level is specialised to perform specific functions for survival. This chapter deals with the study of animal tissues, morphology of some animals, and their structural...

The human body, as well as that of other animals, is made up of different levels of structural organisation. From cells to tissues, organs, and organ systems, each level is specialised to perform specific functions for survival. This chapter deals with the study of animal tissues, morphology of some animals, and their structural...

The cell is the fundamental, structural, and functional unit of life. It was discovered by Robert Hooke (1665) in cork slices, while Anton van Leeuwenhoek was the first to observe living cells. Later, Schleiden and Schwann proposed the Cell Theory, stating that all living organisms are composed of cells, and Virchow later added...

Every business requires resources to start, operate, and grow. These resources can be in the form of money, materials, human effort, or information. The sources of business can be broadly divided into the following: 1. Sources of Finance Finance is the lifeblood of business. To establish and run operations, funds can be arranged...

Introduction A government budget is a financial statement that presents the estimated receipts and proposed expenditures of the government for a financial year. It is a crucial instrument of economic policy as it outlines how resources are mobilized and allocated for development, welfare, and growth. The budget also reflects the priorities of the...

Class 11 is the foundation year that bridges school learning and competitive exams. Subjects in this class introduce new concepts in greater depth, so a well-structured study plan is essential. 1. Understanding the Syllabus 2. Daily Study Routine 3. Weekly Subject Distribution 4. Study Techniques 5. Monthly Strategy 6. Smart Tips for Success...

The chapter Unit and Measurements forms the base of Physics and is highly important for JEE Main as it builds the foundation for solving numerical problems. Questions usually test concepts of units, dimensions, and error analysis. Key Topics to Study System of Units Dimensions Errors in Measurements JEE Main Weightage Important Formulas Tips...

Biology plays a vital role in improving the quality of human life and maintaining a healthy society. The unit “Biology and Human Welfare” in Class 11th JAC focuses on the application of biological knowledge in human health, disease control, and the use of microbes in industries. This chapter connects biology to real-life issues...

Producer behaviour and supply are important concepts in economics that help us understand how firms make decisions about production, costs, and the quantity of goods they offer in the market. These decisions directly affect prices, consumer demand, and overall market equilibrium. 1. Meaning of Producer Behaviour Producer behaviour refers to the way producers...