Physics Question with answer

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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Ideal Science AcademyUnit No 1(1) Define Physics?(2) Ans: The branch of science which deals with the study of matter and energy and their mutual relationshipis 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) SolidPhysicsWhich scientist invented a toy working on steam?Ans:The famous scientist of Alexandria Hero invented the toy working on steam.(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) Differentiate between observation and experiment?Ans:To collect facts about the natural phenomena is called observation.While Experiment is the organized process which is performed to test the truth of hypothesis.(10) What is the best replacement of coal for the production of energy?Ans:Solar energy and the atomic energy are two best replacements of coal for the production of energy.(11) How much energy could be produced from Uranium?Ans: Energy obtained by the breaking up of one kilogram of Uranium is equal to the energy obtained from theburning of 3 million kg of coal.(12) In which state most of our universe exists?Page1Ans: Most of our universe is in the state of plasma.(13)

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