संवहन धारा में गर्म पदार्थ ऊपर क्यों उठता है?
Why does hot material rise in a convection current?
Explanation opens after your attempt
A. क्योंकि उसका घनत्व घटता हैBecause its density decreases
Concept
Hot material expands and becomes lighter. Exam tip: remember density decreases when temperature rises.
Why this answer is correct
The correct answer is A. क्योंकि उसका घनत्व घटता है / Because its density decreases. Hot material expands and becomes lighter. Exam tip: remember density decreases when temperature rises.
Exam Tip
गर्म पदार्थ फैलकर हल्का हो जाता है। परीक्षा में ताप बढ़ने पर घनत्व घटता है याद रखें।
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