Asked by mathew
Sodium vapor lamps are used in Chicago to light city streets. The light emitted (given off) by these lamps has a λ of 5.9 x 10-7 m.
What is the λ in cm?
What is the λ in nanometers (nm) [1 meter = 1 x 109 nm]?
What is the ν of this radiation?
In what region of the visible spectrum is this radiation?
What is the λ in cm?
What is the λ in nanometers (nm) [1 meter = 1 x 109 nm]?
What is the ν of this radiation?
In what region of the visible spectrum is this radiation?
Answers
Answered by
DrBob222
Why are you having trouble converting units? 1 m = 100 cm
You have the conversion factor for m to nm.
Have you ever seen one of these sodiujm vapor lamps? (I'm sure you have--They are yellow)
f = frequency in Hz
w = wavelength in m
c = speed of light = 3E8 m/s
Substitute and solve for freqency
You have the conversion factor for m to nm.
Have you ever seen one of these sodiujm vapor lamps? (I'm sure you have--They are yellow)
f = frequency in Hz
w = wavelength in m
c = speed of light = 3E8 m/s
Substitute and solve for freqency
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