Determine the numbers of photons per second are formed
Determine the numbers of photons per second are formed by an infrared lamp that consumes energy at the rate of 100 W and is 12 % efficient in converting this energy to infrared the radiation? Assume that the radiation has a wavelength of 1485 nm.
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A kind of bacteria has the very high exponential growth rate at 80% every hour. If there are ten bacteria, find how many there will be in five hours, one day, and one week.
A wire is 0.79 m long and 1.5 mm2 in cross-sectional area. It carries a current of 6.0 A. If a 3.0 V potential difference is exerted between its ends. Compute the conductivity s of the material of which this wire is made up of.
Calculate the mole ration of conjugate acid to conjugate base for a buffer, by using the Henderson-Hasselbalch equation.
The farmhill nursery sells trees as well as other yard and garden items. Currently, the nursery has 10 fruit trees, 8 pine trees, and 14 maple trees. It plans to give four trees away at next saturdays lawn and garden show. The four winners can cho
At that instant and in unit-vector notation, determine the total electromagnetic force (the sum of electric and magnetic forces) on the particle?
Calculate the volume of this gas sample when the absolute temperature is doubled and the pressure is tripled? An isolated quantity of an ideal gas at 306.1 K has a volume of 12.44 L at a pressure of 2.02 atm.
Determine the resistivity of metals proportional to (according to the free-electron model of electrical conduction in the metals and classical physics)? Assume T be in Kelvin.
There are different rules of concentration in the measurement of homeopathic medicine. The doctor has a solution A that contains the specific drug with a 1M concentration of a 50.0mL solution.
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