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Which among the following option with regard to atmospheric layer of “stratosphere” is NOT correct? 1. The height of the bottom of the stratosphere varies with latitude and with the seasons 2. The lower boundary of the stratosphere is low near the equator as compared to the poles in winter.

Which among the following option with regard to atmospheric layer of “stratosphere” is NOT correct? 1. The height of the bottom of the stratosphere varies with latitude and with the seasons 2. The lower boundary of the stratosphere is low near the equator as compared to the poles in winter. Correct Answer Only 2

Option 2 is NOT correct.

  • The bottom of the stratosphere is around 10 km (6.2 miles or about 33,000 feet) above the ground at middle latitudes.
  • The top of the stratosphere occurs at an altitude of 50 km (31 miles). 
  • The height of the bottom of the stratosphere varies with latitude and with the seasons. Hence, Statement 1 is correct.
  • The lower boundary of the stratosphere can be as high as 20 km (12 miles or 65,000 feet) near the equator and as low as 7 km (4 miles or 23,000 feet) at the poles in winter. Hence, Statement 2 is NOT correct.
  • The lower boundary of the stratosphere is called the tropopause; the upper boundary is called the stratopause.

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