Huygens' Principle and the Refraction of Light

Directions: Draw a water glass cup with a plastic straw. Indicate how the Huygens' principles manifest in the illustration with the following indicators: {Draw your answer inside the given box below} 1. a water glass cup with a plastic straw 2. mediums in Space {air and water] 3. Incident ray 4. angle of incidence 61 and angle of refraction 92 5. manifestations of Huygens'r principle in Waye refraction 6. A primary spreading-out wayefront, A, A' If. A new, secondary wayefront. B. B' 3. The direction of wavefront propagation