I believe the angle of reflection for the first question is 53.06, but can you please double check?

A scuba diver is sitting on a boat while waiting to go on a dive and sees light reflected from the water's surface. At what angle of reflection will this light be completely polarized? The index of refraction of water is 1.333. angle of reflection: 53.06A physicist's right eye is presbyopic (i.e., farsighted). This eye can see clearly only beyond a distance of 69 cm, which makes it difcult for the physicist to read books and journals. Find the focal length and power of a lens that will correct this presbyopia for a reading distance of 25 cm, when worn 2 cm in front of the eye. Is this a converging or a diverging lens? 0 converging O diverging