Which graph do you need to print in this lab? Kmax Vs. f Where Kmax is on the horizontal axis and f is on the vertical axis Kmax Vs. f Where Kmax is on the vertical axis and f is on the horizontal axis f Vs. Kmax Where Kmax is on the horizontal axis and f is on the vertical axis

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Which graph do you need to print in this lab?

 

Kmax Vs. f

Where Kmax is on the horizontal axis and f is on the vertical axis

Kmax Vs. f

Where Kmax is on the vertical axis and f is on the horizontal axis

f Vs. Kmax

Where Kmax is on the horizontal axis and f is on the vertical axis

4e. In Excel, we will plot K versus f. Since K
= hf- 0 we find that it fits a line of the
max
max
form
y = mx + b. Therefore plotting K versus f will result in a slope equivalent to
Planck's constant and an intercept equivalent to the work function of the material in the
phototube.
max
4f. Plot this data on a scatterplot in Excel. Include a trendline and the regression (R²) coef-
ficient for the best linear fit. See Appendix E: "Excel Notes" for details on changing the
significant figures of your slope. Please report your slope to three significant figures.
4g. Print this graph.
Transcribed Image Text:4e. In Excel, we will plot K versus f. Since K = hf- 0 we find that it fits a line of the max max form y = mx + b. Therefore plotting K versus f will result in a slope equivalent to Planck's constant and an intercept equivalent to the work function of the material in the phototube. max 4f. Plot this data on a scatterplot in Excel. Include a trendline and the regression (R²) coef- ficient for the best linear fit. See Appendix E: "Excel Notes" for details on changing the significant figures of your slope. Please report your slope to three significant figures. 4g. Print this graph.
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