help with these 3 please. thank you!

9 2 Benedictine University PHYS 1118 College Physics HI - Bonus Qui B) (mio page) Ex - cout of page) G) Magnetic field is zero 10. A ray of light propagating uni material a strikes the interface with material b at an mple 30 measured from the nominal. Which of the following combinations of n, and its gives dig greatest angle ? An 10. . - IS Material a Material b () - 20. m = 13 Normal Din =15. my - 15 E)n. 15. n. = 10 11. In a double slit experiment, monochromatic light rays with wavelength A from the two suits that reach the second maximum on one side of the central maximum travel distances that suffer by AY4A B) 22 D) A/2 67 24