Explanation:

1.it is refracted. Since the light is passing from air (less dense) into water (more dense), it is bent towards the normal. The beam of light would appear to bend at the surface of the water.

2. It enters the liquid, is scattered unpredictably at countless tiny particles and exits the glass again.

Answer:

1. If you let light pass through a glass of water it will reflect the light.

2. If you let the light pass through a glass of water with a teaspoon of milk it won't reflect but you can still see the light above,under or beside the glass of milk.