Physics · Physics
एक स्टील की सुई पानी की सतह पर तैरती है, इसका कारण है:
- 1श्यानता
- 2उत्प्लावन बल
- 3पृष्ठ तनाव✓
- 4इनमें से कोई नहीं
सही उत्तर देखें
पृष्ठ तनाव
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