Please answer these questions

1. What happens when the incident ray hits the medium with an angle of 0" to the normal? [1 mark} The angle isO 2. From the calculations made from your results and observations [see table above}, what conclusions can you make about the object you used? (1 mark} Inquiry Questions Solve the following problems. 3. In the experiment conducted, is the ray of light transmitted within the glass [or acrylic} an incident ray or a refracted ray? Explain your answer. (1 mark} The incident ray because the light is going in 4. The speed of light in salt [sodium chloride} is 1.96 x 10H m/s. Calculate the index of refraction for sodium chloride. Show all steps. {3 marks} 5. Light from air is observed to enter a medium with an incident angle of 51" and a refracted angle of 32\". What is the medium? How fast does light travel through the medium? Show all steps. [4 marks}