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.
The velocity of a body was observed to be constant throughout five minutes of its motion. Determine its acceleration during this interval?
Give one benefit of a scanning electron microscope over the transmission electron microscope? Briefly explain it.
Name the instrument which is used to measure the volume? Explain in short?
State the law of Lamberts Cosine? Describe briefly?
Becquerel: Bq (after A.H. Becquerel, 1852-1908) - The derived SI unit of the activity stated as the activity of radionuclide decay at a rate, on the average, of one nuclear transition every 1 s; it hence has units of s-1.
Wien's displacement law constant, b: It is the constant of Wien displacement law. This has the value of 2.897 756 x 10-3 m K.
I need the homework to be finished in five days. and could you please tell me if you are familiar with VMD and NMD simulation programs or not? I will send you some docments that I think it could help to solve the homework questions. But please send me an email so I can attached both files. all b
Describe in brief the concept of nuclear reaction?
Obtain the “dot” equivalent for the circuit shown below and use it to find the equivalent inductive reactance. Q : Why heat causes matter to expand What What is the reason that heat causes matter to expand? Briefly explain it.
What is the reason that heat causes matter to expand? Briefly explain it.
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