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Which one of the following explains light both as a stream of particles and as wave motion: (1) Diffraction (2) γ= h/p (3) Interference (4) Photoelectric effect
Q. Determine the wavelength of light wave? Ans. The frequency of an infrared wave is 2.07 x 10 14 Hz. What is the wavelength? c = λv Since we know the speed of light we
how can the melting point be used to determine the purity of organic compounds
Q. Distribution coefficients of the salts? The distribution coefficients of the salts of lanthanide elements between organic and water solvents are slightly different. Thus, th
what are noble gases
Methylated spirits burner A easy burner can be made from an old boot polish tin. Though it is not necessary, a metal tube can be soldered to the top and a twisted piece of wire
Elevation in boiling point : Mol. Mass = (1000 K b * w) /W+ ΔT In which, K b stands for Molal elevation constant of the solvent, w stands for Mass of the compoun
find the rate constant of first order reaction if 75% of reaction is completed in 6.03 sec
Q. Define shelf life? Shelf life is the time between the production and packaging of the product and the point at which it becomes unacceptable under defined environmental cond
If 8686 C of charge is passed through molten magnesium chloride, calculate the number of moles of Mg(l) produced
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