Each layer of a film is $0.000032$ m thick. There are no gaps between layers. Write the thickness

Question

Each layer of a film is $0.000032$ m thick. There are no gaps between layers. Write the thickness of one layer in standard form.[1] Find the thickness, in millimetres, of a stack of $2.5\times10^4$ layers. Give your answer in standard form.[2]

Accepted Answer

(a) $3.2\times10^{-5}\text{ m}$ (b) $8\times10^2\text{ mm}$

Thin-film layers

Thin-film layers

Solution:

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