A microscope has a $\backslash (11\mathrm{.}0\backslash$times $\backslash )$ eyepiece and a $\backslash (64\mathrm{.}0\backslash$times $\backslash )$ objective lens $18\mathrm{.}0$ cm apart. Assume a normal eye and that the final image is at infinity.

Part B

Calculate the focal length of the eyepiece lens.

Express your answer to two significant figures and include the appropriate units.

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f$\_\{\backslash$mathrm$\{$e$\}\}=2\mathrm{.}3\backslash$mathrm$\{$~cm$\}$

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Previous Answers

Correct

Correct answer is shown. Your answer $2\mathrm{.}27$ cm was either rounded differently or used a different number of significant figures than required for this part.

Part C

Calculate the focal length of the objective lens.

Express your answer to three significant figures and include the appropriate units.

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f$\_\{$o$\}=[$

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Part D

Where the object must be for a normal relaxed eye to see it in focus?

Express your answer to three significant figures and include the appropriate units.

$\backslash [$

d$\_\{0\}=\backslash$begin$\{$array$\}\{$l$|$l$\}$

$0\mathrm{.}308$ & $\backslash$mathrm$\{$~cm$\}$

$\backslash$end$\{$array$\}$

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