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Mining Engineering · Q355

Mine Ventilation

Engineering and GATE · Mining Engineering · question 355

Q355

Range of middle infrared in optical spectrum is

A.
0.25 - 0.40μ
B.
0.40 - 0.70μ
C.
0.70 - 2.5μ
D.
2.5 - 25μ
Answer

Answer: Option D

Solution

Answer: Option D
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