Ask a New Question

In a certain 25-W mercury-vapor ultraviolet lamp, 0.1% of the electric energy input

appears as UV radiation of wavelength 2537 AËš . What is the UV photon emission
rate per second from this lamp?

Similar Questions

How might you distinguish a sodium vapor street lamp from a mercury vapor steet lamp?http://en.wikipedia.org/wiki/Sodium_lamp
1. 0 answers
The vapor pressure of mercury at 77¢K is 0.0018 mmHg. The atomic weight of mercury is 200.6 g/mole. If the mercury vapor were
1. 1 answer
Suppose that a PES experiment is performed in which mercury vapor is irradiated with ultraviolet light of wavelength 58.4 nm.Ene
1. 3 answers
One of the lines in the spectrum of a mercury vapor lamp has a wave length of 254nm. What is the energy, in kj/mol, of this
1. 2 answers

more similar questions