Which layer of the Earth’s atmosphere
Which layer of the Earth’s atmosphere is primarily responsible for absorbing ultraviolet radiation from the sun?
पृथ्वी के वायुमंडल की कौन सी परत मुख्य रूप से सूर्य से पराबैंगनी (UV) विकिरण को अवशोषित करने के लिए जिम्मेदार हैं?
Detailed Solution & Logic
Stratosphere / समतापमंडल
🟢 Explanation
The Stratosphere is the layer of Earth’s atmosphere that mainly absorbs harmful ultraviolet (UV) radiation coming from the Sun.
समतापमंडल पृथ्वी के वायुमंडल की वह परत है जो सूर्य से आने वाले हानिकारक पराबैंगनी (UV) विकिरण को मुख्य रूप से अवशोषित करती है।
This happens because the ozone layer is present in the stratosphere, which absorbs most of the UV rays and protects living organisms on Earth.
ऐसा इसलिए होता है क्योंकि समतापमंडल में ओज़ोन परत पाई जाती है, जो अधिकांश UV किरणों को सोखकर पृथ्वी पर जीवन की रक्षा करती है।
🌍 Extra Facts / अतिरिक्त तथ्य
✅ The stratosphere lies about 12 km to 50 km above Earth’s surface.
समतापमंडल पृथ्वी की सतह से लगभग 12 किमी से 50 किमी की ऊँचाई तक होता है।
✅ Temperature increases with height in this layer due to UV absorption by ozone.
इस परत में ऊँचाई बढ़ने के साथ तापमान बढ़ता है क्योंकि ओज़ोन UV किरणों को अवशोषित करता है।
✅ Commercial jet airplanes often fly in the lower stratosphere because the air is more stable.
वाणिज्यिक जेट विमान अक्सर समतापमंडल के निचले भाग में उड़ते हैं क्योंकि यहाँ वायु अपेक्षाकृत स्थिर होती है।
❌ Why others are incorrect?
-
Troposphere (क्षोभमंडल): Weather changes occur here, not UV absorption.
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Mesosphere (मध्य मण्डल): Meteors burn here.
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Thermosphere (तापमंडल): Contains ionosphere; absorbs high-energy radiation but not mainly UV.
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