A Ray of Light Traveling in Air Strikes the Surface

question 14

Short Answer

A ray of light traveling in air strikes the surface of a certain plastic slab at 63.0° with respect to the normal in air.It travels in the plastic slab at a 30.6° angle with respect to the normal.Find the critical angle for the plastic in air.

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Definitions:

Unattached Earlobes

A genetic trait where the earlobes hang free and are not connected to the side of the head.

Homozygous Recessive

An individual is homozygous recessive when they have two identical recessive alleles for a particular gene, potentially expressing a recessive trait.

Heterozygous

Having two different alleles of a particular gene or genes, resulting in genetic variation for a specific trait.

Dominant

A term used in genetics to describe an allele that expresses its phenotypic effect even in the presence of a recessive allele.