Role of Atmospheric Layers in Communication

Which layer is known as Appleton layer?

The __________ important to life on Earth because it keeps the planet warm and protects us from the harmful radiation of the sun.

Arrange the following layer of atmosphere vertically from the surface of the Earth.

1. Mesosphere
2. Troposphere
3. Stratosphere
4. Thermosphere

This layer has the coldest temperature in the atmosphere-

Ionosphere is used for ______

UHF is used in

The region that contains free electrons, negative ions and positive ions is

Which of the following statements is correct?

Ozone layer above earth's atmosphere will not

In the earth's atmosphere, the following order of layers are present for the propagation of electromagnetic waves:

The atmosphere above the height of 80 km is called