At Sea World a trainer in scuba gear is in a large tank with a dolphin. The trainer and dolphin are 4.00 m apart. Both the dolphin and the trainer's eyes are at a depth of 1.87 m below the surface of the water. The index of refraction of the water is nw = 1.33. 2.00 m e depth ---Select-- 2.00 m a. What is the critical angle at the surface of the water? degrees b. The trainer looks up to the surface of the water at a point half-way between herself and the dolphin (2.00 m horizontal distance). Does the trainer see a reflection of the dolphin off the surface of the water? ONLY 1 ATTEMPT IS ALLOWED FOR THIS PART.

At Sea World a trainer in scuba gear is in a large tank with a dolphin. The trainer and dolphin are 4.00 m apart. Both the dolphin and the trainer's eyes are at a depth of 1.87 m below the surface of the water. The index of refraction of the water is nw = 1.33. 2.00 m e depth ---Select-- 2.00 m a. What is the critical angle at the surface of the water? degrees b. The trainer looks up to the surface of the water at a point half-way between herself and the dolphin (2.00 m horizontal distance). Does the trainer see a reflection of the dolphin off the surface of the water? ONLY 1 ATTEMPT IS ALLOWED FOR THIS PART.