When α is absorptivity, ρ is reflectivity and τ is transmittivity, – McqOptions

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1.	When α is absorptivity, ρ is reflectivity and τ is transmittivity, then for a diathermanous body,
A.	α = 1, ρ = 0 and τ = 0
B.	α = 0, ρ = 1 and τ = 0
C.	α = 0, ρ = 0 and τ = 1
D.	α + ρ = 1 and τ = 0
Answer» E.

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