Question

Choose the false statement

a.

Snow is nearly black to thermal radiation

b.

Absorption of radiation occurs in a very thin layer of material n ear the surface

c.

Transmissivity varies with wavelength of incident radiation

d.

Most of the engineering materials have rough surfaces, and these rough surfaces give regular (specular) reflections

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Answer: (d).Most of the engineering materials have rough surfaces, and these rough surfaces give regular (specular) reflections

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Q. Choose the false statement

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