green light, a proton travelling at 1 X 10^5 m/s, ultraviolet light, a toaster oven sitting perfectly still, a student walking along at 3 mph.
Categorized | Large Toaster Oven
Rank The Following In Order Of Largest Wavelength To Smallest Wavelength:?
Posted on19 February 2010.
3 Responses to “Rank The Following In Order Of Largest Wavelength To Smallest Wavelength:?”
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The smallest wavelength is of the student. The wavelength is the De Broglie wavelength, h / p, and is on the order of the size of the atomic nucleus.
Next would be the toaster; the momentum is due only to thermal motion and its De Broglie wavelength would be larger than that of the walking student (you’re dividing by a smaller momentum), but that wavelength is still very small.
Next is the proton, with De Broglie wavelength h / mv = 6.63 x 10^-34 m^2 kg / s / 9.11 x 10-31 kg * 10^5 m/s = about 10 nm – quite a bit smaller than the wavelength of visible or ultraviolet light.
Next up is ultraviolet light, which has a smaller wavelength than green light.
enoch, are we helping you with homework, or a take home test?
Some things to consider.
1.) The Electromagnetic Spectrum
Visible light Spectrum follows ROYGBIV
That is in increasing order (from left to right)
Red -> Orange -> Yellow -> Green -> Blue -> Indigo -> Violet
Wavelengths decrease from Red to Blue (visible light).
Energy increases from Red to Blue.
This is the relationship from the equation.
E = h*f where E: energy h: Planck’s constant f: frequency
Infrared has a longer wavelength than any visible light wave.
Also Ultraviolet light has a smaller wavelength than visible light.
Also look at the relationship from the following equation:
v = (lambda) * (f)
v: velocity f: frequency and lambda represents wavelength