Description : Remote-sensing device has an inbuilt source of – (1) X-ray (2) g-ray (3) Ultraviolet ray (4) Infrared ray
Last Answer : (4) Infrared ray Explanation: Infrared imaging is used extensively for military and civilian purposes. Military applications include target acquisition, surveillance, night vision, homing ... , remote temperature sensing, short-ranged wireless communication, spectroscopy, and weather forecasting.