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Activity 3. Reflection and Refraction of Light Refer to the figures to explain how reflection and refraction are explained by the wave and particle models of light. Fill up with the appropriate word/s to give meaning to the paragraphs that follow. Choose from among the words inside the box to complete each sentence. Particles and Waves Reflected by a Mirror Refraction of Particles and Waves Force Pulls Particles Into Medium Waves Wave Edge Particles Bends at Entry Wave Edge Bends at Particles Figure 4 Waves Exit Opposite Force Pulls Particles From Medium Figure 3 refraction force spread changes bend bounce off slower wavefront interface reversed particles smooth Light, as waves, (1)_ in all directions when emitted. Upon impacting a smooth, specular surface, such as a mirror, these waves (2) or reflect according to the arrival angles. The waves turn back to front as they reflect producing a (3) image. On the other hand, light can also arrive at the mirror surface as a stream of (4) Since these are very tiny, a huge number are involved in a propagating light beam, Upon arriving a (5) _ surface, the particles bounce off in different points so their order in the beam is reversed resulting to a reversed image. A bear of light undergoes (6) when it travels between two media with different refractive indices. Light, as waves, (7)_ direction upon passing from first medium to second medium. A small portion of each angled (8) should impact the second medium before the rest of the front reaches the (9) This part will travel along the second medium while the rest of the waves is still travelling in the first medium. Movement will be (10) through the second medium due to higher refractive index. Since the wavefronts are travelling at different speeds, light will (11) into the second medium, thus, changing the angle of propagationLet Us Apply You are doing great so far! Knowledge of concepts is not enough for a learning experience to be meaningful. We should also understand how the concepts we learned on the propagation of light can be applied to real life situations to get the most out of what we learned. Let us look at this simple situation that will help us realize the advantage of fully understanding propagation of light. Situation: Suppose you are with a group of researchers out in a forested area. Suddenly the rain poured and there was zero visibility in the place. You want to help your companions out in the woods to find the right path to the lodging area. One thing that came to your mind is to flash waves of light so that they could see where you are. What color of light are you going to use and why? References Books/ Modules: Rosita, Valeria Amor C., B T. Vicencio ( 2020) . Physical Science Module 7: Propagation of Light