Part A

Use the data in the following figure to calculate the distance between the dansyl and the naphthyl group.

FIGURE Efficiency of energy

transfer as a function of distance in

dansyl$-($L$-$prolyl$){?}_n--$naphthyl, $n=1$

to $12.$ Energy transfer is $50\%$ efficient

at $3\mathrm{.}46nm.$ Solid line corresponds to $r^{-6}$

dependence.

$($By permission of Dr$.$ Richard Haugland.$)$

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

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Incorrect; Try Again; $3$ attempts remainingPart A Use the data in the following figure to calculate the distance between the dansyl and the naphthyl group. Efficiency of energy transfer as a function of distance in dansyl$-($L$-$ prolyl $)\_$n$-\backslash$alpha $--$naphthyl, n$=1$ to $12.$ Energy transfer is $50\%$ efficient at $3\mathrm{.}46$nm$.$ Solid line corresponds to r$^-6$ dependence. $($B$)$ permission of De$.$ Fichard Haugland$)$ Express your answer to three significant figures and include the appropriate units. $\backslash$times Incorrect; Try Again; $2$ attempts remaining $(3\mathrm{.}46$ is incorrect$)$