Define Fermats principle
Fermat's principle: principle of least time (P. de Fermat): The principle, put onward by P. de Fermat that explains the path taken by a ray of light among any two points in a system is for all time the path which takes the least time.
Young's experiment: double-slit experiment (T. Young; 1801): A well-known experiment that exhibits the wave nature of light (and certainly of other particles). The light is passed from a small source into an opaque screen with the two thin slits. The
Explain in brief that the gas encompass density or not?
Briefly illustrate all the Newton s laws of motion?
Kilogram: kg: The basic SI unit of mass that is the only SI unit still maintained by a physical artifact: a platinum-iridium bar reserved in the International Bureau of Weights and Measures at Sevres, France.
Write down the weights in pounds of the liquid gallons? Briefly describe it.
Briefly explain the reason why does sun emerge flat throughout sunrise and sunset?
Cadmium rods are given in a nuclear reactor. Explain why?
Universal age paradox: The two most straightforward techniques of computing the age of the Universe -- via red-shift measurements, and via stellar evolution -- outcome incompatible outcomes. Recent (in mid 1990s) measurements of the distances of far-a
Faraday's law (M. Faraday): The line integral of the electric field about a closed curve is proportional to the instant time rate of change of the magnetic flux via a surface bounded by that closed curve; in the differential form,
Describe briefly all the Law of Machines?
18,76,764
1961075 Asked
3,689
Active Tutors
1442827
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!