Physics · Mechanics
बॉलपॉइंट पेन निम्नलिखित में से किस सिद्धांत पर कार्य करता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1श्यानता (Viscosity)
- 2पृष्ठ तनाव (Surface tension)✓
- 3अंतर-आणविक बल (Intermolecular force)
- 4स्तरीय प्रवाह (Laminar flow)
सही उत्तर देखें
पृष्ठ तनाव (Surface tension)
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