Content for Class 9 to 12 Physics covers the concepts of Motion, Force and Laws of Motion, Gravitation, Work and Energy and Sound.Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. Physics is one of the most fundamental scientific disciplines, with its main goal being to understand how the universe behaves.
Chemistry is the science that tries to understand the properties of substances and the changes that substances undergo. Class 9th to 12th Chemistry concepts deal with the understanding of basic constituents of matter, atoms and molecules.It is a natural science that covers the elements that make up matter to the compounds composed of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during a reaction with other substances.
Mathematics is the study of representing and reasoning about abstract objects (such as numbers, points, spaces, sets, structures, and games). Mathematics is used throughout the world as an essential tool in many fields, including natural science, engineering, medicine, and the social sciences.Mathematics is essential in many fields, including natural sciences, engineering, medicine, finance, computer science and social sciences. Some areas of mathematics, such as statistics and game theory, are developed in close correlation with their applications and are often grouped under applied mathematics.
Economics is the study of scarcity and its implications for the use of resources, production of goods and services, growth of production and welfare over time, and a great variety of other complex issues of vital concern to society. Economics is a social science wherein we study how a producer maximizes his profit, a consumer maximizes his satisfaction and economy as a whole maximizes social welfare. Alternatively, economics can also be defined as a science where we study the efficient allocation of scarce resources.
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