Please I need help with this. :(

Link to the online simulation: https://phet.colorado.edu/sims/html/bending-light/latest/bending-light_en.html

PHYS 2092 Lab 6: Refraction and Reflection - Geometric Optics INSTRUCTIONS Introduction In this lab, you will examine how rays of light behave when they go through one medium to the other. Doing so, we will be testing the laws of reflection and refraction and determining the critical angle for total internal reflection. You will be using an online simulation on the PhET website called Bending Light: https:// phet.colorado.edu/sims/html/bending-light/latest/bending-light_en.html Theory The law of reflection predicts that the angle ; made by an incident ray should be equal to the angle 0, made by the reflected ray: (6.1) Refraction is governed by Snell's Law which states that when light goes from one medium with index of refraction O to another medium with index of refraction 02, the angle of incidence 01 and the angle of refraction 62 are related by: nisin (01) = n2sin(02) (6.2) Here, these angles are measured with respect to the perpendicular to the interface between the two media; we call this line the normal line.(3 Ray 0 Wave glIEe ' zK. '- Manual :3 Figure 6.1: Dq'auit View ofthe Simulation pane! One implication of Snell's Law is that there exist angles at which refraction is not possible. This can be algebraically achieved only when n1 > :12 which, at first look, shows that singz can be greater than 1. However, this is not plausible mathematically for any real angle 92. As such, no light will propagate through the second medium when such conditions are met; therefore, all of the light is reected at the interface between the media. This is called \"total internal reection\". The smallest angle of incidence that satises this total internal reection is called the critical angle. n . . . _ 2 nlsmc = n251n90 ) 19,. = sm 1() '11 (6.3) Procedure Go to the link provided above to launch the simulation. Then, double-click on More Tools. Snell's Law Two Known Media ' Take some time to familiarize yourself with the tools of the simulation. ' The default media are water with index of refraction n = 1.000 and glass with index of refraction n = 1.500. Make sure you have a check mark on \"Normal\" on the lower left menu. You can toggle it on and off in order to be sure what the normal line is. Once you are done playing with it, leave it with the check mark on. Now, take a protractor from the left menu and align the 90's with the interface line between the media and align the 0's with the normal line. Turn on the laser by pressing on the red button. " Set the incident angle to 250 and predict what the reected angle 9,, should be, using equation 6.1, and what the refracted 62 angle should be, using equation 6.2 and record your predictions on the Data Table 6.1. Snell's Take a screenshot of your experimental observations and paste it in the report. Now, measure the values of the reected angle (experimental 9,.) and that of the refracted angle (experimental 62) using the protractor and record these values on the Data Table 6.1. Law - One Unknown Medium and Known Medium Leave the laser ON. Then change the top medium into \"Mystery A\" and leave the bottom as glass. Then, set the incident angle to 35. Measure the refracted angle and calculate the index of refraction of the \"Mystery A\" using equation 6.2. Take a screenshot of your experimental observations and paste it in your report. Critical Angle Now, change the top medium to glass and the bottom medium to water. For these two media, predict What the critical angle should be, using equation 6.3. Now, move the laser until the very moment the refracted angle disappears. Then, measure the incidence angle that satises this condition. Now, compare your predicted critical angle with the experimental critical angle. Take a screenshot of your experimental observations and paste it in your report. Data Table 6.1 Two Known Media Predicted 6],: Experimental 9r: % difference: Incident 31 = 250 _ . . Predlcted 62: Experimental 62 % dl'erence: Unknown Medium 712: 1.500 92: n1: Incident 91 = 350 Critical angle n1: n2: Predicted 635 Experimental QC % difference: Data Analysis Show your data analysis work on your Answer Sheet, as per the instructions from the procedure. Conclusions From your observations, does light refract towards the normal or away from the normal when it travels from one medium into another medium with a higher index of refraction? If you are not sure, you can set up an experiment to answer that