The change of direction when light passes from one medium to another is called ......................................................... . (1) (b) Draw a ring around the correct answer to complete the sentence. When passes from air into a glass block, it changes (1) (c) Diagram 1 shows light rays entering and passing through a lens. Diagram 1 (i) type of lens is shown in Diagram 1? Draw a ring around the correct answer. (1) (ii) In Diagram 1, what is the point X called? ................................................................................................................ (1) (d) A lens acts like a number of prisms. shows two parallel rays of light entering and passing through prism and Diagram 2 A prism C. Diagram 2
The change of direction when light passes from one medium to another is called ......................................................... . (1) (b) Draw a ring around the correct answer to complete the sentence. When passes from air into a glass block, it changes (1) (c) Diagram 1 shows light rays entering and passing through a lens. Diagram 1 (i) type of lens is shown in Diagram 1? Draw a ring around the correct answer. (1) (ii) In Diagram 1, what is the point X called? ................................................................................................................ (1) (d) A lens acts like a number of prisms. Diagram 2 shows two parallel rays of light entering and passing through prism A and prism C. Diagram 2