Number of Widgets Length of Package (in.) 9.00 3 9. The relationship between the number of widgets in a package (x-axis) and the length of the package (v-axis), in inches, is given in the table at the right. The linear correlation coefficient for this relationship is: Choose: -1 O 0.5 00 4 9.25 5 9.50 6 9.75 01

Awavelength of 610 nm was found to be the most intense wavelength emitted by copper. answer the following questions about this wavelength of light. a) what is this wavelength in cm? b) what is the frequency that corresponds to this wavelength? c) what is the energy of light of this wavelength? d) what is the wavenumber corresponding to this wavelength?