Physics · Fluid Dynamics
एक वृत्ताकार पाइप के माध्यम से स्थिर लैमिनार प्रवाह (laminar flow) के लिए, वॉल्यूमेट्रिक प्रवाह दर को स्थिर रखते हुए त्रिज्या को आधा करने पर दबाव प्रवणता (pressure gradient) कितने गुना बढ़ जाएगी?
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