What is the source of production of microwaves ? Also write its any two uses.
Answers
SOURCES OF MICROWAVES :
Microwaves, in effect, are energy bursts. They are generated by an electronic device called a magnetron. These electromagnetic waves can be as short as 1 mm and as long as 1 m, and they range in frequency from 300 megahertz (MHz) to 300 gigahertz (GHz). Microwaves transmit energy to objects that contain water and do not pass through or penetrate materials such as metal. In daily life, microwaves are emitted from many sources.
1 Microwave Ovens
2Police Radar Guns
#Manufacturing
Another source of microwaves is manufacturing. Microwave generators are very commonly used for their ability to heat parts, to seal seams in plastic components and to cure chemical reactions with heat. Anyone who works in manufacturing is likely to encounter and use microwaves in any given workday
USES OF MICROWAVES :
They can cause water and fat molecules to vibrate so they are used for cooking in microwave ovens.
They are used by mobile phones (produced from a transmitter chip and antenna) as well as WiFi.
They are also used in radar which is used by ships, aircraft and weather forecasters.
One of the types of radar works by sending out bursts of microwaves and detect "echoes" coming back from objects that the microwaves have it and so can find the distance of the objects by detecting the time it takes for the "echo" to be received.