What is Gray
Gray: Gy (after L.H. Gray, 1905-1965): The derived SI unit of engrossed dose, stated as the absorbed dose in which the energy per unit mass communicated to the matter by the ionizing radiation is 1 J/kg; it therefore has units of J/kg.
What is the turnover number of the enzyme? Is that forever an evaluation parameter of the action or activity of the enzyme?
What is main difference between secondary electron image and the back scattered electron image? State briefly.
Describe the reason in short why the length of a standard meter re-defined in the year of 1983?
why rockets are also called as projectile
Stefan-Boltzmann constant: sigma (Stefan, L. Boltzmann): The constant of proportionality exist in the Stefan-Boltzmann law. It is equivalent to 5.6697 x 10-8 W/m2/K4.
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Radian: rad: The supplementary SI unit of the angular measure stated as the central angle of a circle whose subtended arc is equivalent to the radius of the circle.
The voltage v mV in a circuit is given by: v = 20 sin (200 Πt - 0.7854) where t is the time in seconds (a) State the amplitude, frequency, period and phase angle of v.(b) Determine the initial voltage.(c) Determin
Give one benefit of a scanning electron microscope over the transmission electron microscope? Briefly explain it.
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