Confused and have questions? We’ve got answers. With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors.

Dispersal

From Biology-Online Dictionary
Jump to: navigation, search

Dispersal --> dispersion

(Science: microscopy) The variation of refractive index with colour (or wave-length) of light. The spreading of white light into its component colours when passing through a glass prism is due to dispersion which, in turn, is due to the fact that the refractive index of transparent substances is lower for long wavelengths than for-short wavelengths. A measure of dispersion is defined as: nd - 1 v= nf-nC where nd = refractlve index at 589 nm (yellow), nf = 486 nm (blue), nC = 656 nm (red). The act of dispersing or diffusing something; the dispersion of the troops; the diffusion of knowledge.