Final answer:
The height of the image of the print on the retina when a book is held 30.0 cm from the eye cannot be determined without additional information about the eye's optics, such as the focal length of the lens.
Step-by-step explanation:
To calculate how high the image of the print on the retina is when a book is held 30.0 cm from the eye, we would need to apply principles of optics, specifically those dealing with the lens equation. However, the question does not provide enough information, such as the focal length of the eye's lens, to make this calculation possible.
In a usual scenario, the image formed by the eye's lens would be significantly smaller compared to the actual object because the eye's lens typically has a very short focal length, creating a much reduced image on the retina. Detailed calculations would take into account the specific optical properties of the eye, which can vary from person to person.
Without specific information on the eye's focal length, it is impossible to accurately determine the height of the printed image on the retina in this scenario.
A branch of physics that studies electromagnetic radiation (for example, light and infrared radiation), its interactions with matter, and instruments used to gather information due to these interactions. Optics includes the study of sight. 1541, from M.Fr. optique, obtique (c.