Physics · Fluid Mechanics
बॉल पेन मुख्य रूप से किस सिद्धांत पर कार्य करता है?
- 1बॉयल का नियम
- 2केवल गुरुत्वीय बल
- 3केशिकीय घटना और पृष्ठ तनाव✓
- 4श्यानता
सही उत्तर देखें
केशिकीय घटना और पृष्ठ तनाव
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