In a cloud free weather, there is an atmospheric window, which is transparent to terrestrial radiation in the wavelength band :

[A] 1618 nm - 23400 nm

[B] 2168 nm - 4610 nm

[C] 12500 nm - 17000 nm

[D] 7000 nm - 13500 nm

Answer & Explanation
Answer: 7000 nm - 13500 nm

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