PHYSICS NOTES : PHYSICAL QUANTITIES & MEASURMENTS, KINEMATICS, dynamics

Jun 17th, 2015
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(1) Define Physics? (2) Ans: The branch of science which deals with the study of matter and energy and their mutual relationship is called Physics.(2) Write names of the branches of Physics?Ans: (1) Mechanics (2) Heat & Thermodynamics (3) Sound (4) Light (5) Electromagnetism (6) Atomic and Molecular Physics (7) Nuclear Physics (8)

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Unit No 1 (1) Define Physics? (2) Ans:The branch of science which deals with the study of matter and energy and their mutual relationship is called Physics.(2) Write names of the branches of Physics?Ans: (1) Mechanics (2) Heat & Thermodynamics (3) Sound (4) Light(5) Electromagnetism (6) Atomic and Molecular Physics (7) Nuclear Physics (8) Plasma Physics (9) Solid PhysicsWhy do we study physics?We study physics to under stand the laws of nature and how nature effects the human action.(3) Define Plasma? Ans: The state of matter at a very high temperature comprising the ions and electrons is called plasma.(4)Name the branches of physics overlapping the other branches of science?Ans: (1) Astrophysics (2) Geophysics (3) Biophysics (7)Who studied the freely falling bodies?Ans:Galileo studied the freely falling bodies BRANCHES OF PHYSICS: Mechanics: It is the study of motion of objects, the causes and effect. Heat: It deals with the nature of heat, modes of transfer and effects of heat. Sound:It deals with the physical aspects of sound waves, their production, properties and applications. Light (Optics): It is the study of physical aspects of light, its properties, working and use of optical instruments. Electricity and magnetism: It is the study of the changes at rest and in motion, their effects and their rel

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