AP Police SI previous year question
Due to which property of matter are soap bubbles spherical?
Asked in AP Police SI Prelims: 2023 (Paper I & II) · Science
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Correct answer: (C) Surface tension
Surface tension minimizes surface area for a given volume, which is a sphere — hence bubbles are spherical.
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हिंदी में प्रश्न
पदार्थ के किस गुण के कारण साबुन के बुलबुले गोलाकार होते हैं?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) Surface tension
पृष्ठ तनाव किसी दिए गए आयतन के लिए सतह क्षेत्रफल को न्यूनतम करता है, जो एक गोला होता है — इसीलिए बुलबुले गोलाकार होते हैं।
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