Unit 1 physical quantities | introduction & branches of physics class 9 New physics book Sindh board
ME English Center・2 minutes read
Physics is the oldest branch of science that studies energy conversion and matter at micro and macro levels, representing natural phenomena mathematically with a focus on matter's structure, motion, and energy conversion. It branches into mechanics, thermodynamics, electricity, magnetism, atomic physics, optics, sound, particle physics, astrophysics, and plasma physics, showcasing its importance in driving industrial advancements and technological innovations for everyday life.
Insights
- Physics, the oldest branch of science, studies energy, matter, and natural phenomena mathematically, categorizing scientists as theoretical or experimental physicists and branching into mechanics, thermodynamics, electricity, magnetism, atomic physics, optics, sound, particle physics, astrophysics, and plasma physics.
- Physics is indispensable in society and technology, contributing to industrial advancements and technological innovations while playing a vital role in everyday life, from powering devices through electricity to explaining concepts like friction and testing methods for practical applications.
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