Determine the length of the image
An object of length 2.00 cm is within a plastic block having index of refraction 1.50. When the object is observed from directly above, determine the length of the image?
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Where the H2, CO and CH4 come from coalpyrolysis. If a gas phase composed of CO: 13.54%, CO2:15.22%, H2: 15.01%, CH4: 3.20%, and the balance N2 is burned with the 40% excess air.
A beam of light is incident from the air onto a flat piece of polystyrene at an angle of 43 degrees relative to the normal to the surface.
When3.47 g of the sample is dissolved in water and treated with excess silver nitrate solution, a precipitate forms. A divalent metal chloride has 7.7% by weight NaCl as impurity.
A finite population is normally distributed with the mean = 50 and standard deviation=15. Assume a sample of size 49 is taken so that sample mean xbar can be employed to determine the population mean. The probability that the sample mean is
Ionization involves totally removing an electron from an atom. Explain how much energy is needed to ionize a hydrogen atom in its ground (or lowest energy) state?
An object is positioned at a distance of 25 cm from a thin convex lens all along its axis. The lens consists of a focal length of 10 cm. Determine the values, correspondingly, of the image distance and magnification?
If the mole fraction of argon is 0.37 and the atmospheric pressure is 754torr, determine the partial pressure of nitrogen inside the container? An apparatus is constructed with a rigid container connected to an open tube manometer.
Yellow-green light having wavelength 550nm in air is incident on the surface of a flat piece of crown glass at an angle of 60 degrees. Determine the angle of refraction of the light?
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