2.90 x 106 nm · K Find the wavelength (in mm) of maximum intensity of the cosmic microwave background radiation observed today. (Hint: Use Wien's law, 2max 3D mm

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There is only one part to this question. I need to know the answer in mm. I have solved the bottom portion, but the top question I need help on. Thank you!!

2.90 x 106 nm · K
T
Find the wavelength (in mm) of maximum intensity of the cosmic microwave background radiation observed today. ( Hint: Use Wien's law, 2may =
mm
What band of the electromagnetic spectrum is that in? (Examine the figure.)
Visible light
Short wavelengths
Long wavelengths
4 x 107
5 x 10
(400 nm) (500 nm) (600 nm)
7x 107meters
(700 nm)
6 x 107
Wavelength (meters)
10-12
10-10
10-8
104
102
102
104
Ultra-
violet
Gamma-
Micro-
X-ray
Infrared
Radio
ray
wave
UHF VHF FM
AM
a
Opaque
Visual
window
Radio
window
Transparent
b
Short
Wavelength
Long
O gamma ray
O ultraviolet
microwave
O O O
Opacity of
Earth's atmosphere
Transcribed Image Text:2.90 x 106 nm · K T Find the wavelength (in mm) of maximum intensity of the cosmic microwave background radiation observed today. ( Hint: Use Wien's law, 2may = mm What band of the electromagnetic spectrum is that in? (Examine the figure.) Visible light Short wavelengths Long wavelengths 4 x 107 5 x 10 (400 nm) (500 nm) (600 nm) 7x 107meters (700 nm) 6 x 107 Wavelength (meters) 10-12 10-10 10-8 104 102 102 104 Ultra- violet Gamma- Micro- X-ray Infrared Radio ray wave UHF VHF FM AM a Opaque Visual window Radio window Transparent b Short Wavelength Long O gamma ray O ultraviolet microwave O O O Opacity of Earth's atmosphere
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