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Why does hot material become lighter in Convectional Current Theory?संवहन धारा सिद्धांत में गर्म पदार्थ हल्का क्यों होता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Because density decreases when temperature risesक्योंकि ताप बढ़ने पर घनत्व घटता है
When temperature rises, material expands and becomes relatively lighter. Exam tip: remember the relation between heat and density.ताप बढ़ने पर पदार्थ फैलता है और अपेक्षाकृत हल्का होता है। परीक्षा में ताप और घनत्व का संबंध याद रखें।
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