What is the frequency and wavelength these lights? PLEASE HELP ASAP!!?

Question

halogen light, ultra violet light, LED light, and x-ray light.

Please only serious answers, thanks!

Answer 1

Halogen light is actually tungsten light, all the halogen does is to deposit some of the evaporated tungsten back on to the filament. Incandescent light is "white", many frequencies, and some infrared. no specific wavelength.



Ultraviolet light has a wavelength of light just shorter than visible. About 432 nanometers is a good bet.



LED light is something else that can't be answered. There are LEDs of all colors, including white (meaning a mix of visible colors), infrared, and I have an ultraviolet led flashlight.



X-Rays are shorter than visible light, as I recall, .01 to 10 nanometers (OK, I checked wikipedia)

Answer 2

They are all wide band lights. The halogen, like an incandescent, will cover the entire visible spectrum, about 390 to 750 nm.



The LEDs come in all sort of colors. A white one will also approximate the visible spectrum. "UV light", depends on the type, but they tend to concentrate in the violet and UV end, below the 390 nm number, but not a lot. First reference has details on a bunch of different UV lights.



X-ray light, no such thing, as x-rays are not light, not even close.



equation below will let you convert between wavelength and frequency

λf = c = 2.998e8 m/s (speed of light in vacuum)

2.997e8 m/s in air

λ = Wavelength in meters

f = frequency in Hz



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Answer 3

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