The temperature perturbation at all the surface has penetrated to the depth (Whe

Question

The temperature perturbation at all the surface has penetrated to the depth (Where, T is time constant and α is thermal diffusivity.)

Options:

A . 1.6 (α T)^1/2

B . 2.6 (α T)^1/2

C . 3.6 (α T)^1/2

D . 4.6 (α T)^1/2

Answer: Option C
Answer: (c).3.6 (α T)^1/2

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