1.

Calculate the energy radiated per minute from a filament of an incandescent lamp at 3,000 K if the surface area is 10^(-4) m^(2) and its relative emitted is 0.425.

Answer»


SOLUTION :`Q=eAsigmaT^(4)t=0.4xx10^(-4)xx5.7xx10^(-8)XX(3000)^(4)xx60


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