How does refractive index vary with wavelength?

Related questions

1. Why must oil be used to obtain the best resolution with a 100x lens?
2. What is n1 in Snell's law?
3. What does Snell's law state?
4. What is refractive index and what is absolute refractive index of the medium?
5. What are two types of refractive index?
6. Does oil immersion increase magnification?
7. What is the formula of Snell's Law?
8. What is Snell's law?
9. What is physical significance of refractive index?
10. Why is oil immersion used at 100x?

Tags

1. #higher
2. #speed
3. #change
4. #medium
5. #directly
6. #wavelength
7. #hence
8. #frequency
9. #specific
10. #refractive
11. #since
12. #doesn
13. #changes
14. #refraction
15. #light
16. #dependent
17. #index