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.
Briefly describe the reason why it takes longer to heat a bucket of water than the cup of water?
Coanda effect: The effect which points out that a fluid tends to flow all along a surface, instead of flowing via free space.
Photovoltaics (PV): It transform light directly into electricity. The typical current residential installation of 12m2 could produce around 1,300 kWh pa with a peak of around 1.9kW, though larger and more efficient installations are possibl
Peltier effect (J.C.A. Peltier; 1834): The modification in temperature produced at a junction among the two dissimilar metals or semiconductors whenever an electric current passes through the junction.
BCS theory - The theory put forth to elucidate both superconductivity and super fluidity. This suggests that in the superconducting (or super fluid) state electrons form Cooper pairs, where two electrons proceed as a single unit. This takes a non
A thermocouple of K type is suddenly exposed to air with temperature of 1273K, Initial temperature was 293 K. Calculate the time needed for the thermocouple read the temperature with accuracy of better that 99%. Ignore radiation and conduction. The measuring element has a ball shape of diameter o
Metre: meter; m: The basic SI unit of length, stated as the length of the path traveled by light in vacuum throughout a period of 1/299 792 458 s.
What do you understand by the term Ambient Reflection? And also write down its characteristic?
What is Archimedes' principle? A body which is submerged in a fluid is buoyed up by a force equivalent in magnitude to the weight of the fluid which is displaced, and directed upward all along a line via the c
Briefly illustrate how do fireworks turn to shapes similar to hearts and stars?
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