Concept:Total internal reflection occurs only when light travels from a denser medium to a less dense medium.Explanation:Total internal reflection will not occur if light is travelling from a less dense medium to a denser medium.Water has refractive index about 1.33, while glass has refractive index about 1.50.So water is less dense than glass.Therefore, light travelling from water into glass moves from a rarer to a denser medium, so total internal reflection cannot occur.Answer:B. water into glass