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Q. |
Remote-sensing device has an inbuilt source of – |
A. | X-ray |
B. | g-ray |
C. | Ultraviolet ray |
D. | Infrared ray |
Answer» D. Infrared ray | |
Explanation: Infrared imaging is used extensively for military and civilian purposes. Military applications include target acquisition, surveillance, night vision, homing and tracking. Non-military uses include thermal efficiency analysis, environmental monitoring, industrial facility inspections, remote temperature sensing, short-ranged wireless communication, spectroscopy, and weather forecasting. |
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