Water Has an Index of Refraction of 1

question 12

Multiple Choice

Water has an index of refraction of 1.333.What is the speed of light through it? (c = 3.00 × 10⁸ m/s)

• A)4.00 × 10⁸ m/s
• B)2.25 × 10⁸ m/s
• C)4.46 × 10⁸ m/s
• D)1.46 × 10⁸ m/s

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Definitions:

Speculum

A medical instrument used to dilate an orifice or cavity for examination purposes, such as during a gynecological exam.

Otoscope

A medical device used to look into the ears, allowing for the examination of the ear canal and tympanic membrane.

Gingival Margin

The edge of the gum tissue that surrounds the teeth, marking the boundary between the crown of the tooth and the beginning of the gum.

Ciliated Mucous Membrane

A type of mucous membrane that contains hair-like structures called cilia, which help to move mucus and trapped particles.