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प्रश्न
Calculate the energy radiated in one minute by a blackbody of surface area 200 cm2 at 127 °C (σ = 5.7 x 10-8 J m-2 s-1 K-4)
विकल्प
1367.04 J
1698.04 J
1751.04 J
1856.04 J
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उत्तर
1751.04 J
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