For questions 23 and 24, write true or rewrite the italicized part to make the statement true 27. What is the focal length of a concave lens that forms an image with a x; value of -10.0 cm when an object is 35.0 cm from the lens? 23. Magnification is defined as the image height divided by the object height. 24. By forming smaller images, convex mirrors makes images seem farther away. 27. 24. 28. The inside surface of a shiny metal spoon acts as a 25. Diamond has an index of refraction of 2.42. When it is immersed in water, which has an surface of the same spoon acts as a mirror and the outside mirror. index of 1.33, and light in the water enters the diamond at a 53 angle of incidence, what is the angle of refraction inside the diamond? 29. The wavelength of light in a given material equals the speed of light in the material times frequency frequency times the period the speed of light in the material divided by frequency frequency divided by the speed of light in the material 26. The index of refraction of halite, or rock salt, is 1.54. What is the speed of light in that mineral