Normal 0 false false false EN US X NONE X NONE MicrosoftInternetExplorer4 Which of the following ar...........

Geography World climates

Download Solution PDF

Which of the following are true regarding ionosphere?

1.It is the uppermost layer of atmosphere

2.The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become ionized

3.This layer is responsible for reflecting back the radio waves transmitted from the earth.

1 and 2

1 and 3

2 and 3

1,2 and 3

छोटे Courses बड़े Results

Master World climates

Prepare through Micro-courses

Try Now

Explanation:

First statement is incorrect as The exosphere is the outermost layer of Earth's atmosphere. It extends from the exobase, which is located at the top of the thermosphere at an altitude of about 700 km above sea level, to about 10,000 km where it merges into the solar wind.

Second and third statements are correct.