बर्नूली समीकरण व्युत्पन्न करने में हमने नली में भरे तरल पर किए गए कार्य को तरल की गतिज तथा स्थित...

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बर्नूली समीकरण व्युत्पन्न करने में हमने नली में भरे तरल पर किए गए कार्य को तरल की गतिज तथा स्थितिज ऊर्जाओं में परिवर्तन के बराबर माना था
यदि क्षयकारी बल उपस्थित है, तब नली के अनुदिश तरल में गति करने पर दाब में परिवर्तन किस प्रकार होता है :
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