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The temperature of a large cavity with a small hole is maintained at 550C by an internal electrical heater. The cavity radiates its energy through

The temperature of a large cavity with a small hole is maintained at 550C by an internal electrical heater. The cavity radiates its energy through the hole of which the radius is 1 mm.

a Determine the wavelength at which the radiation intensity is the largest. (ans: 3.512x10-6)

b) How long does it take for the cavity to radiate 600 J of energy?(ans: 2.04hr)

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2. The temperature of a large cavity with a small hole is maintained at 550C by an internal electrical heater. The cavity radiates its energy through the hole of which the radius is 1 mm. a) Determine the wavelength at which the radiation intensity is the largest. b) How long does it take for the cavity to radiate 600 J of energy

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