Question

calculate the energy radiated per minute from the filament of an incandascent lamp at 2000k if the surface area is 5 × 10^-5 m^2 and its relative emittance is 0.85 sigma is 5.7 × 10^-8 MKS unit​

Answer 1

Answer:

2325.6 joules

Explanation:

I'm a bad typer...that's why i solved it in my copy.....by the way i also want to be a doctor...currently preparing for neet and aiims

and the lay E equals to e sigma etc etc is from stefan's law of radiation

Answer 2

Answer:

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