A 60 watt filament lamp loses all its energy by radiation from its surface.
The emissivity of the surface is 0.5. The area of the surface is 5 × 109Y m2
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Find the temperature of the filament
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Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds
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