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Question : Which of the following statements about the ionosphere is not correct?

Option 1: It contains charged particles.

Option 2: It is ionised by solar and cosmic radiation.

Option 3: Radio waves transmitted from the earth are reflected back to the earth by this layer.

Option 4: It is located immediately above the stratopause.


Team Careers360 15th Jan, 2024
Answer (1)
Team Careers360 23rd Jan, 2024

Correct Answer: It is located immediately above the stratopause.


Solution : The correct option is It is located immediately above the stratopause.

The ionosphere is not specifically located above the stratopause. The ionosphere is a region of Earth's upper atmosphere, starting roughly at altitudes of 30 miles (48 kilometres) and extending upward to several hundred miles (or kilometres). It is characterised by a high concentration of ions and free electrons, which can affect the propagation of radio waves.

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