FORESTRY
REMOTE SENSING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Mid-infrared wavelength
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3.0 nm-8, 0 nm
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3.0 mm-8, 0 mm
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3.0 nm-6, 0 nm
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4.0 nm-8, 0 nm
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Explanation:
Detailed explanation-1: -The infrared range covers 700-1000 nm (wavelength), or 14, 286-12, 800 cm-1 (wavenumber), and ultraviolet radiation has wavenumbers above these, approximately, 25, 000 – 50, 000 cm-1, or 100 to 400 nm (wavelength).
Detailed explanation-2: -The mid-infrared, approximately 4000-400 cm-1 (2.5-25 m) may be used to study the fundamental vibrations and associated rotational-vibrational structure. The far-infrared, approximately 400-10 cm-1 (25-1000 m), lying adjacent to the microwave region, has low energy and may be used for rotational spectroscopy.
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