When Light Passes from Water into Air,it Bends

question 90

Multiple Choice

When light passes from water into air,it bends:

• A)away from the perpendicular.
• B)towards the perpendicular.
• C)at a 45° angle to the surface of the water.
• D)more slowly.

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Definitions:

Synthetic Detergent

Man-made soap-like substances that can emulsify oils and hold dirt in suspension in water, used for cleaning.

Unsaturated Fatty Acid

A type of fatty acid with one or more double bonds in the hydrocarbon chain, which can affect the fluidity of cell membranes.

Triglyceride

A type of fat or lipid found in blood, formed from one molecule of glycerol and three fatty acids.

Micelle

An aggregate of surfactant molecules dispersed in a liquid colloid, forming a structure with hydrophobic tails in the center and hydrophilic heads on the outside.