Please answer the following question: Q: The constant "c" can be specifically used to represent the (extremely fast) speed of what? Read this paragraph and choose the correct option from the provided answers: n = cv , where v is the observed speed of light in the material. Since the speed of light is always less than only in a vacuum, the index of refraction is always greater than or equal to one. Choices: - electricity - sound - gravity - light A:
Answer:
light