A 90-nm-thick coating is applied to the lens. What must be the coating's index of refraction to be most effective at 480 nm? assume that the coating’s index of refraction is less than that of the lens.

25 points fast click to review the online content. then answer the questions(s) below, using complete sentences. scroll down to view additional questions. online content: site 1. take the study skills assessment. identify one area in which you could improve. then describe what steps you will take to improve in that area.

Find an equation in standard form of the parabola that passes through (-2, 9), (-4, 5), and (1, 0)

Abag contains even and odd numbered balls in the ratio of 3: 7, respectively. for each of the following, what is the probability of drawing an even-numbered ball? the total number of balls is 240 and 30 of the odd-numbered balls are renumbered by multiplying the numbers by 4.