What unit is used to express midwave and longwave inbands?

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Multiple Choice

What unit is used to express midwave and longwave inbands?

Explanation:
The key idea is that midwave and longwave infrared wavelengths fall in the micrometer range. MWIR is typically about 3–5 μm and LWIR about 8–14 μm, so expressing these bands in micrometers aligns with how these wavelengths are measured and discussed in infrared imaging and detector technology. Nanometers are used for visible or near-infrared ranges (hundreds to a few thousand nm), and angstroms are far too small for IR scales. Meters are far too large to represent these wavelengths. So micrometers is the natural and standard unit for expressing midwave and longwave inbands.

The key idea is that midwave and longwave infrared wavelengths fall in the micrometer range. MWIR is typically about 3–5 μm and LWIR about 8–14 μm, so expressing these bands in micrometers aligns with how these wavelengths are measured and discussed in infrared imaging and detector technology. Nanometers are used for visible or near-infrared ranges (hundreds to a few thousand nm), and angstroms are far too small for IR scales. Meters are far too large to represent these wavelengths. So micrometers is the natural and standard unit for expressing midwave and longwave inbands.

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