Refraction of light

Edit Answers
12345678910
Across
  1. 3. A medium with a refractive index of 2.4.
  2. 6. Light travels slower in an optically _ medium.
  3. 8. The speed of light in a _ is 300,000 kilometers per second.
  4. 9. What does 'n' stand for? ( _ index )
Down
  1. 1. _ ray shows the direction of light after refraction.
  2. 2. A pencil half-submerged in water may appear broken because light travels _ in water.
  3. 4. The change in speed as a ray of light travels from one material to another causes it to _.
  4. 5. _ ray shows the direction in which light falls on the boundary of the two optical media.
  5. 7. The bending of light as it passes from one transparent material to another of a different optical density.
  6. 10. Light bends _ the normal when entering an optically denser medium.