Physics · Radiation Heat Transfer

For an opaque body, the relationship between reflectivity (ρ), absorptivity (α), and transmissivity (τ) is given by:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1ρ + α = 1✓
2ρ + α = 0
3ρ + α = τ
4ρ + α + τ = 0

Correct answer

ρ + α = 1

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For an opaque body, the relationship between reflectivity (ρ), absorptivity (α), and transmissivity (τ) is given by:

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For an opaque body, the relationship between reflectivity (ρ), absorptivity (α), and transmissivity (τ) is given by:

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