Question

Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings).

a.

h > λ/Δ cos θ

b.

h = λ/8 cos θ

c.

h > λ/8 cos θ

d.

h < λ/8 cos θ

Posted under Civil Engineering

Answer: (c).h > λ/8 cos θ

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Q. Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings).

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