Nonreflective Coatings for Camera Lenses Reduce the Loss of Light $\lambda$

question 49

Short Answer

Nonreflective coatings for camera lenses reduce the loss of light at various surfaces of multi-lens systems,as well as preventing internal reflections that might mar the image.Find the minimum thickness of a layer of magnesium fluoride (n = 1.38)on flint glass (n = 1.66)that will cause destructive interference of reflected light of wavelength $\lambda$ = 550 nm,a wavelength which is near the middle of the visual spectrum.

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Definitions:

Master Genes

Genes that have a controlling influence over the expression of other genes, playing critical roles in the development and differentiation of cells.

Tumor Suppressor Genes

Genes that help regulate cell growth and division, and when mutated can lead to cancerous growths by failing to suppress tumor formation.

Cell Division

The process by which a parent cell divides into two or more daughter cells, critical for growth, repair, and reproduction in organisms.

Morphogen

Any chemical agent thought to govern the processes of cell differentiation and pattern formation that lead to morphogenesis.