Determine the wavelength of the emitted photon
Assume that an atom consists of two energy levels at -3.4 eV and -1.51 eV. If electrons form a transition from the upper to the lower of these levels, determine the wavelength of the emitted photon?
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What does this experiment tell us about the molar heat capacity of copper? When a 30g tin slug is taken from a beaker of boiling water at 100Cand dropped into a beaker containing 45g of ice temperature water, the temperature of this 0C water rises
Methane gas is expanded adiabatically and reversibly from a volume of 1.43L, at a temperature of 25C and a pressure of 3 bars, until the volume is 2.86L. The heat capacity Cp of methane can be taken to be 35.31JK-1mol-1.
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In a group lineup of 7 models in a commercial, 3 are male and 4 are female. In how many manners can you arrange three models in lineup if the first and the third should be a male but the second one should be a female?
A 1 ns laser pulse from a neodymium-YAG laser, at 532 nm, consists of 5 J. i) Determine the energy and momentum of each photon.
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Determine the radius of curvature for this lens if you are looking at an object a distance of 56.5 mm from your eye's lens. (All incident light rays should still strike the light-receptive cells at the similar distance as before)
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