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Define about the Graphite Structure
Graphite is the allotropic form of carbon. In case of graphite the carbon atoms are arranged in regular hexagons in flat parallel layers and every carbon atom covalently bonds with three atoms in a this hexagonal layer. The remaining electron is delocalized among the planes forming a weak bond among the parallel layers. As the bonding between these parallel layers are weak, the layers are simply separable from each other and is the cause for softness and lubricating action of graphite.
A machine gun fires a bullet of mass 40 g with a velocity 1200 m/s The man holding it, can exert . a maximum force of 144 N on the gun. How many bullets can he fire per second at
Diffraction of water waves Let vibrator produce circular wavefronts travelling along (P). Let X, Y be two vertical glass plates immersed in the tank far away from the vib
what is gravity caused by and what is its exact pull
Determination of Analyte Concentration: One of the most common applications of spectrophotometry is to determine the concentration of an analyte in a solution. There is a rela
Explain Buoyancy in Air The same buoyancy happens in air. This is how hot air balloons fly. By heating the air and lowering the density of the air in the balloon, the balloon f
what is power of lens?
Q. A small candle, 2.5 cm in size is placed at 27cm in front of a concave mirror of radius of curvature 36cm. At what distance from the mirror should a screen be placed in order t
Avogadro constant; L; NA (Count A. Avogadro; 1811) The number of items in a sample substance is equivalent to the number of atoms or molecules in a sample of ideal gas that is
In nuclear fusion two or more than two lighter nuclei join to form a single heavy nucleus. The volume of one molecule so formed is less than the sum of the masses of parent nuclei.
Determine the highest order spectrum which can be seen with monochromatic light of 589.3 nm wavelength by means of a diffraction grating having 15000 lines/inch.
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