V PartA A beam of light is traveling inside a solid glass cube that has index of refraction 1.56. It strikes the surface of the cube from the inside. If the cube is In air, at what minimum angle With the normal inSIde the glass Will this light not enter the air at this surface. Express your answer in degrees. gait = m Muest Answer V PartB What would be the minimum angle in partA if the cube was immersed in water? Express your answer in degrees. gait =