how does focal length change when red light is replaced by blue light
Answers
Answered by
1
Answer:
The frequency of light has no affect on the focal length. So focal length increases with wavelength but decreases with refractive index. Since blue light has shorter wavelength than red light focal length decreases when red light is displaced by blue light
Answered by
0
Answer:
Explanation:
Focal length will move towards the Lens.Bcoz red light has larger wavelength than blue colour.more wavelength of the ray, focal length will be farther from lens.
Similar questions