Which of the statements is are true about tropopause 1 It is a continuous surface 2 n...........

Geography Atmosphere

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Which of the statements is/are true about tropopause

1) It is a continuous surface

2) It is a discontinuous surface

3) It extends to 30o latitude in winter and 35o latitude in summer

4) There can be a multiple tropopause in middle latitudes

Choose the correct answer from the codes given below:

1,2, and 3 are correct

2,3, and 4 are correct

3 and 4 are correct

All are correct

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Explanation:

First statement is incorrect as Tropopause is a discontinous surface.

The boundary between troposphere and stratosphere, called the tropopause, is a temperature inversion. Tropopause refers to the altitude at which the fall in the temperature is stalled. This layer separates the troposphere from the stratosphere (the second layer of the atmosphere). This layer is usually quiet and no major movement of air takes place in it. Its height at Tropic of Cancer and Tropic of Capricorn is roughly 10 to 15 km, highest at the equator 18 km and at the poles it is about 8 km above the earth. In India, the tropopause is generally at a height of around 16 km. The altitude of the tropopause varies with the variations of sea — surface temperature, season, latitude, and weather systems, such as the passage of cyclones and anti-cyclones. So, Tropopause is not a hard lined boundary.