Explanation:
Infrared radiation → A) used to detect the location of objects
The primary source of infrared rays are heat and thermal energy.
Microwaves → D) Used in radar and to heat food
Microwaves are produced by the vibration of chemical bonds which produces heat which helps in heating the food. These are wave are also used in transferring of signals to convey or to communicate.
Ultraviolet light → C)Given off by very hot objects, such as the sun Heat from warm objects
The source of these rays are very hotter bodies like : sun, man-made ultraviolet lamps etc.
Visible light → B) All the radiation humans can see, ranging from red to violet
Different colors are due to electronic transition taking place inside an atom where electron changes their energy state.
Electromagnetic waves are those waves that form a part of the electromagnetic spectrum and require no material medium for propagation.
The following is a matching of each type of electromagnetic radiation to its description:
Infrared radiation - Given off by very hot objects, such as the sun
Microwaves - Used in radar and to heat food
Ultraviolet light - Heat from warm objects, used to detect the location of objects
Visible light - All the radiation humans can see, ranging from red to violet
Infrared radiation is also known as heat ray. Very hot objects emit infrared radiation.
Microwaves are used in radar as well as to heat food. They are low frequency electromagnetic radiation.
Ultraviolet radiation occurs just beyond the violet region of the visible spectrum. It is used to detect the location of objects.
Visible light can be perceived by the naked eyes and include all wavelengths ranging from red to violet.
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