OBJECTIVE FORESTRY

Detailed explanation-1: -When electromagnetic radiation strikes an object, three different interactions can occur. The electromagnetic radiation can be transmitted through the object like light through a window, it can be reflected off the object like light bouncing off a mirror, or it can be absorbed by the object.

Detailed explanation-2: -Electromagnetic energy travels in waves and spans a broad spectrum from very long radio waves to very short gamma rays. The human eye can only detect only a small portion of this spectrum called visible light. A radio detects a different portion of the spectrum, and an x-ray machine uses yet another portion.

Detailed explanation-3: -Radiation is the transfer of heat energy through space by electromagnetic radiation.

Detailed explanation-4: -Electromagnetic waves are used to transmit long/short/FM wavelength radio waves, and TV/telephone/wireless signals or energies. They are also responsible for transmitting energy in the form of microwaves, infrared radiation (IR), visible light (VIS), ultraviolet light (UV), X-rays, and gamma rays.