Physics · Fluid Mechanics
एक तरल किसी धारा-रेखा (streamline) को पार नहीं कर सकता है। इसका कारण यह है कि सभी बिंदुओं पर, धारा-रेखा के लंबवत वेग होता है:
- 1इकाई
- 2अनंत
- 3गैर-शून्य
- 4शून्य✓
सही उत्तर देखें
शून्य
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