Answer the questions below.

Calculate the minimum thickness in nm of an oil slick on water that appears blue when illuminated by white light perpendicular to its surface. Take the blue wavelength to be 480 nm and the index of refraction of oil to be 1.55. X nm Additional Materials Reading 3. [0/1 Points] DETAILS PREVIOUS ANSWERS OSCOLPHYS2016 27.8.P.086. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER If you have completely polarized light of intensity 135 W/m, what will its intensity be after passing through a polarizing filter with its axis at an 89.0 angle to the light's polarization direction? x mw/m2 Additional Materials Reading 14. [0/2 Points] DETAILS PREVIOUS ANSWERS OSCOLPHYS2016 27.8.P.095. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Light reflected at 62.50 from a substance is completely polarized. What is the substance's index of refraction? X