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INTRODUCTION TO PHYSICS

physics Secondary

INTRODUCTION TO PHYSICS

MEANING OF PHYSICS Physics is the scientific study of matter and energy and how they interact with each other. This energy can take the form of motion, light, electricity, radiation, gravity etc. Physics deals with matter on scales ranging from sub-atomic particles (i.e. the particles that make up the atom and the particles that make up those particles) to stars and even the entire galaxies. It can also be defined as a natural science that involves the study of matter and its motion through space-time, as well as all applicable concepts, such as energy and force. More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.   Physics is one of the oldest academic disciplines, perhaps the oldest through its inclusion of astronomy. Over the last two millennia, Physics had been considered synonymous with Philosophy, Chemistry, and certain branches of Mathematics and… Read More »INTRODUCTION TO PHYSICS

Physics

INTRODUCTION TO PHYSICS

Science in our lives Scientists are people trained in science and who practice the knowledge of science. We require people in industries to work as engineers, technicians, researchers, in hospitals as doctors, nurses and technologists. Science gives us powerful ideas, instruments and methods which affect us in our daily lives. Scientific methods A laboratory is a building specifically designed for scientific work and may contain many pieces of apparatus and materials for use. A hypothesis is a scientific fact or statement that has not been proven or experimented. A law or principle is a scientific fact or statement that has been proven and experimented to be true for all conditions. A theorem is a fact or statement that is true and proven but applicable under specific conditions.   What is physics? Physics is a Greek word meaning nature hence it deals with natural phenomena. Physics is therefore a science whose… Read More »INTRODUCTION TO PHYSICS

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