Out of the following surfaces, the emis-sivity will be minimum for Options: A . &nbspAluminium foil B . &nbspConcrete C . &nbspPlaster D . &nbspSmooth glass

Out of the following surfaces, the emis-sivity will be minimum for

Question

Out of the following surfaces, the emis-sivity will be minimum for

Options:

A . Aluminium foil

B . Concrete

C . Plaster

D . Smooth glass

Answer: Option B

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