Physics · Fluid Mechanics
एक लोहे की छोटी सुई पानी की सतह पर तैर सकती है। इस घटना का मुख्य कारण क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1चुंबकीय बल
- 2श्यान बल (Viscous drag)
- 3पृष्ठ तनाव (Surface tension)✓
- 4द्रव का उत्प्लावन बल (Upthrust)
सही उत्तर देखें
पृष्ठ तनाव (Surface tension)
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