Physics · Radiation Heat Transfer
क्षेत्रफल A1 और A2 वाली दो विसरित सतहों (diffuse surfaces) के बीच विकिरण ऊष्मा स्थानांतरण में प्रयुक्त पारस्परिकता प्रमेय (reciprocity theorem) को निम्नलिखित में से कौन सा समीकरण सही ढंग से दर्शाता है?
- 1F12 = F21
- 2A1 F12 = A2 F21✓
- 3A2 F12 = A1 F21
- 4ε1 F12 = ε2 F21
सही उत्तर देखें
A1 F12 = A2 F21
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