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aliya0001 [1]
2 years ago
5

Lowest frequency of wave

Physics
2 answers:
Harlamova29_29 [7]2 years ago
4 0
The answer would be a radio wave
Nutka1998 [239]2 years ago
3 0
The lowest frequency portion of the electromagnetic spectrum is designated as “radio,” generally considered to have wavelengths within 1 millimeter to 100 kilometers or frequencies within 300 GHz to 3 kHz.
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Write a numerical expression for the emissive intensity (in W/m^2.sr) coming out of a tiny hole in an enclosure of surface tempe
stiks02 [169]

Answer:

6.0 × 10^{11} W/m^{2}

Explanation:

From Wien's displacement formula;

Q = e AT^{4}

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The emissive intensity = \frac{Q}{A} = eT^{4}

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Therefore, the emissive intensity coming out of the surface is 6.0 × 10^{11} W/m^{2}.

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2 years ago
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