Mathematics · Surface Tension
2 mm व्यास और 0.08 N/m पृष्ठ तनाव वाली एक द्रव की बूंद 512 समान छोटी बूंदों में विभाजित हो जाती है। पृष्ठ ऊर्जा में परिवर्तन (जूल में) ज्ञात कीजिए:
- 19.030 × 10-6 J
- 27.034 × 10-6 J✓
- 35.012 × 10-6 J
- 44.034 × 10-6 J
सही उत्तर देखें
7.034 × 10-6 J
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