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What is phyiscs
Physics is a science. Science works according to the scientific method. The scientific method accepts only reason, logic, and experimental evidence to tell among what is scientifically correct and what is not. Scientists do not simply believe - they test, and keep testing unless satisfied. Just because some "big scientist" says something is right, that thing does not become a fact of science. Unless a discovery is repeatedly established in dissimilar laboratories at dissimilar times by dissimilar people, or the similar theoretical result is derived by clear use of established rules, we do not accept it as a scientific discovery. The real strength of science lies in the fact that it continually keeps challenging itself.
Give the graphical representation of the end on view of plane polarized light and unpolarized light.
A 3Kg bar of aluminum has to be heated from 25 degrees Celsius to 75 degrees Celsius. how many calories are needed to achieve this temperature increase?
With mans lust for the unknown in space exploration, what will happen to our planet by removing so much weight in the form of spacecraft that will never return and can the earth re
Q. What is Fresnel diffraction? a) The source as well as the screen are at finite distances from the obstacle producing diffraction. b) The wave front suffer diffraction is
State Kirchhoff's rules of current distribution in an electrical network. Using these rules verify the value of the current in the electric circuit given below.
What two properties of electromagnetic waves are used to attach info to radio signals? a) By varying the amplitude of a radio wave, you can determine information. That is how A
A 5 kilogram mass is lifted at constant velocity from a shop floor by a rope that passes by a pulley attached to the shop's ceiling. Neglecting the mass of the rope and frict
Wires A as well as wire B are both made out of copper. Wire B is double as long as wire A. The diameter of wire B is doubles that of wire A. Answer: Resistivity is a charac
What do you mean by normal shift? Derive the mathematical expression for normal shift produced when an object in a denser medium is viewed normally through air.
Q. What are de Broglie waves? Matter in motion should be accompanied by waves called de Broglie waves. de Broglie wavelength λ = h / mv
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