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In a convection current, rising material generally rises due to which property?संवहनीय धारा में ऊपर उठता पदार्थ सामान्यतः किस गुण के कारण ऊपर उठता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Higher temperature and relatively lower densityअधिक ताप और अपेक्षाकृत कम घनत्व
Hot material becomes less dense and rises, while cooler material sinks. In exams, explain convection through heat and density differences.गर्म पदार्थ कम घना होकर ऊपर उठता है और ठंडा पदार्थ नीचे जाता है। परीक्षा में संवहन को ऊष्मा और घनत्व के अंतर से समझें।
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