Write a short essay on the topic
"Uses of radio .
Thanks and I need at least about 120 words.
Answers
Answer:
The prime purpose of radio is to convey information from one place to another through the intervening media (i.e., air, space, nonconducting materials) without wires. Besides being used for transmitting sound and television signals, radio is used for the transmission of data in coded form. In the form of radar it is used also for sending out signals and picking up their reflections from objects in their path. Long-range radio signals enable astronauts to communicate with the earth from the moon and carry information from space probes as they travel to distant planets. For navigation of ships and aircraft the radio range , radio compass, and radio time signals are widely used. Radio signals sent from global positioning satellites can also be used by special receivers for a precise indication of position. Digital radio , both satellite and terrestrial, provides improved audio clarity and volume. Various remote-control devices, including rocket and artificial satellite operations systems and automatic valves in pipelines, are activated by radio signals. The development of the transistor and other microelectronic devices led to the development of portable transmitters and receivers. Cellular and cordless telephones are actually radio transceivers. Many telephone calls routinely are relayed by radio rather than by wires; some are sent via radio to relay satellites. Some celestial bodies and interstellar gases emit relatively strong radio waves that are observed with radio telescopes composed of very sensitive receivers and large directional antennas.
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ANSWER:
Radio is one of the most wonderful gifts of science. Radio sets are very popular. They can be found in every home. It has made us feel the world small.
Radio is one of the most wonderful gifts of science. Radio sets are very popular. They can be found in every home. It has made us feel the world small.It helps us in sending news and message without wires. We can enjoy news, music, songs etc. from different part of the world through it sitting in our houses.
Radio is one of the most wonderful gifts of science. Radio sets are very popular. They can be found in every home. It has made us feel the world small.It helps us in sending news and message without wires. We can enjoy news, music, songs etc. from different part of the world through it sitting in our houses.We also get lessons on radio at school. The programmes are broadcast all the twenty four hours from radio. Film songs and children programmes are of much interest.Radio is also a powerful means of teaching. In short the radio is of great use and interest to all of us. Now we have pocket radios which are very convenient to carry.
EXPLANATION :
Here is your 120 words essay on "uses of radio".
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