The correct answer is (c) 50 km.
· The
stratosphere is the second major layer of Earth's atmosphere, sitting above the troposphere and below the mesosphere.
· It extends from the tropopause, which is the boundary between the troposphere and the stratosphere, up to an altitude of approximately 50 km (31 miles) above Earth's surface.
· This layer is known for containing the ozone layer, which absorbs and scatters ultraviolet solar radiation.
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60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 Mins EnglishIn which among the following layers of the atmosphere, Ozone layer is present to protect us against harmful UV-Ultra Violet rays ?
Most meteors burn up in the _________ layer of atmosphere.
Which of the following is the best action to increase the thickness of the ozone layer?
Why do stars twinkle in the sky at night?
At which of these places is the thickness of the troposphere the greatest?
Ozone layer is responsible for preventing harmful UV rays to enter the earth's atmosphere. Which of the hydrocarbons is/are not responsible for depletion of the ozone layer?
What is the range of mesosphere?
Below are some statements about the Ozone layer.
Statement 1. It is found in the stratosphere.
Statement 2. Chlorofluorocarbons (CFCs) are responsible for Ozone hole.
Statement 3. Ozone layer is found around 15–30 km above the earth’s surface.
Statement 4. Ozone layer is expected not to recover anymore now.
Which of these statements are correct?
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