. Depending on the radiating properties, a body will be opaque when Options: A . &nbspρ = 0, τ = 0 and α = 1 B . &nbspρ = 1, τ = 0 and α = 0 C . &nbspρ = 0, τ = 1 and α = 0 D . &nbspτ = 0, α+ρ = 1

. Depending on the radiating properties, a body will be opaque when

Question

. Depending on the radiating properties, a body will be opaque when

Options:

A . ρ = 0, τ = 0 and α = 1

B . ρ = 1, τ = 0 and α = 0

C . ρ = 0, τ = 1 and α = 0

D . τ = 0, α+ρ = 1

Answer: Option D

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