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In which layer of the atmosphere does radio transmission occur, helping reflect radio waves back to Earth?
- a)Mesosphere
- b)Thermosphere
- c)Exosphere
- d)Troposphere
Correct answer is option 'B'. Can you explain this answer?
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In which layer of the atmosphere does radio transmission occur, helpin...
The text mentions that the ionosphere in the Thermosphere aids in radio transmission.
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In which layer of the atmosphere does radio transmission occur, helpin...
Thermosphere
The thermosphere is the layer of the atmosphere where radio transmission occurs, aiding in the reflection of radio waves back to Earth. Here's why:
Radio Transmission
- Radio waves are electromagnetic waves used for communication.
- When radio waves are transmitted from Earth's surface, they travel up towards the thermosphere.
Reflection in the Thermosphere
- In the thermosphere, the high concentration of free electrons allows radio waves to be reflected back towards Earth.
- This reflection phenomenon is known as radio wave reflection or ionospheric reflection.
- It enables long-distance radio communication, such as in AM radio broadcasts and certain types of amateur radio transmissions.
Characteristics of the Thermosphere
- The thermosphere is located above the mesosphere and extends upwards.
- It is characterized by high temperatures due to the absorption of solar radiation.
- Despite the high temperatures, the thermosphere would feel cold to a human because of the extremely low density of particles.
Significance for Communication
- The ability of the thermosphere to reflect radio waves back to Earth is crucial for long-distance communication.
- It plays a vital role in various communication systems, including radio broadcasting, satellite communication, and certain military applications.
In conclusion, the thermosphere acts as a key layer in the atmosphere for radio transmission, facilitating the reflection of radio waves and enabling effective long-distance communication.
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In which layer of the atmosphere does radio transmission occur, helping reflect radio waves back to Earth?a)Mesosphereb)Thermospherec)Exosphered)TroposphereCorrect answer is option 'B'. Can you explain this answer?
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