Why is the refractive index important?

Related questions

1. What is the use of refractive index?
2. What is refractive index of diamond?
3. Why must oil be used to obtain the best resolution with a 100x lens?
4. What is refractive index and what is absolute refractive index of the medium?
5. Why is refractive index important?
6. Which light has highest refractive index?
7. What are two types of refractive index?
8. What is the refractive index of oil immersion?
9. How does refractive index vary with wavelength?
10. Why is oil immersion used at 100x?

Tags

1. #correspondingly
2. #light
3. #within
4. #direction
5. #increased
6. #refractive
7. #slower
8. #propagates
9. #change
10. #measure
11. #causes
12. #index
13. #material
14. #higher
15. #travels
16. #which
17. #through