The colossal squid can swim approximately 8 m/s, making it one of the fastest marine invertebrates. The colossal squid also has the largest eyeball of any known animal ir the world, giving it an incredible edge over prey in the deep, dark ocean.

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?