1) A beam of light traveling in air has an angle of incidence of 29.0 when it enters a medium which has an index of refraction of 1.51 , What is the angle of refraction of the beam inside the medium? A. 54.6 B. 35.6 C. 18.7 D. 71.3 2) For a convex lens of focal length 3 cm, where will the image of an object 12 cm in front of the lens appear? A. -9cm B. 4cm C. 6cm D. 3cm 3) A lens has a focal length of 14 cm. The object is 6-cm tall and is 20 cm away from the lens. Find the distance to the image