An electron in a hydrogen makes a transition between levels
an electron in a hydrogen makes a transition between levels and emits a photon with a frequency of 6.91*10^14 hz. The frequency is in the visible range
a) is the electron jumping to higher or lower level?
b) find the n values of levels?
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if D has a mass of 600 kg, determine the required mass of C, the maximum sag h of the cable, and the length of the cable between the pulleys A and B. The Beam has a mass per unit length of 50 kg/m.
The isotope 226 Ra Alpha decays. its measured atomic mass is 226.02541 amu, the daughter nucleus has a mass of 222.01758 amu and helium has atomic mass 4.0026 amu. calculate the kinetic energy of the alpha particle
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Two factories are manufacturing and supplying a single type of good to four warehouses. The factories can produce a1, and a2 units of the good each month, and the warehouses need b1, b2, b3, and b4 units each month
an electron in a hydrogen makes a transition between levels and emits a photon with a frequency of 6.91*10^14 hz . find is the electron jumping to higher or lower level
A cylindrical chimney,1 m in diameter and 2.5 m tall is exosed to a uniform 50km/hr wind at standard atmospheric conditions.End effects and gusts may be neglected.
Two activated sludge aeration tanks in Podunk, MO are operated in series. Each tank has the follwing dimensions: 7.0 m wide x 28.0 m long x 3.5 m effective liquid depth.
Country A produces two goods, elephants and saddles. In the year 2006, the 10 units of elephants produced sold for $2,000 per unit and the 25 units of saddles produced sold for $200 per unit.
a double-slit arrangment prduce bright interference fringrs that are seprated by 2.60 mm when the wavelengt is 589nm. what is the bright fringe separation
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