Why the length of a standard meter re-define
Describe the reason in short why the length of a standard meter re-defined in the year of 1983?
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In 1983 the meter has been re-defined as the distance light travels in the vacuum in accurately 1⁄299,792,458th of a second.
Drake equation (F. Drake; 1961): The method of estimating the number of intelligent, scientific species (that is, able to communicate with other species) in subsistence in our space. N
Zeeman Effect: Zeeman line splitting (P. Zeeman; 1896): Zeeman Effect is the splitting of lines in a spectrum whenever the source is exposed to the magnetic field.
Briefly list out the name of all the branches of physics?
What do you mean by the term free fall acceleration? State its significance in brief?
What do you understand by the term Ambient Reflection? And also write down its characteristic?
Carnot's theorem (S. Carnot): The theorem that states that no engine operating between the two temperatures can be more proficient than a reversible engine.
Josephson effects (B.D. Josephson; 1962): Electrical effects examined whenever two superconducting materials are separated by a thin layer of the insulating substance.
Write a short note on the features or characteristics of dead stars?
When air is compressed adiabatically the law connecting the absolute temperature T and the pressure P is of the form T = A.Pn where A and N are constants. Show by drawing a suitable linear graph that the experimental dat
Briefly state how does the elevation and air pressure affects the boiling point of water?
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