QUESTION 1 The angles we use in Snell's Law and Reflection related formulae are which of the following? O The angles between the rays of light and the surface The angles between the rays of light and a normal to the surface. The angle between the normal to the surface and the surface. The angle between the refracted and reflected rays. QUESTION 2 A researcher has created a Bose-Einstein condensate in which the index of refraction is 20,000,000. The velocity of light in this gas is closest to which of these? 5.996 x 10 3 meters/second O A car on a local street O A ray of light in acrylic or glass O A snail in full speed run QUESTION 3 In the thin lens equation, relating object distance, image distance and the focal length of the lens, di