Relative to Its Average Speed in Air,the Average Speed of a Beam

question 102

Multiple Choice

Relative to its average speed in air,the average speed of a beam of light in glass is

• A)more.
• B)the same.
• C)less.

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Definitions:

Landscape Features

Natural and man-made formations or landmarks that characterize a specific area of land, including mountains, rivers, and forests.

Alluvial Fan

A low, gently sloping mass of sediment, shaped like an open fan or a segment of a cone; typically deposited by a stream where it exits a mountain range or joins a main stream.

Ice-Core Data

Data obtained from cylinders of ice drilled from glaciers or ice sheets, used to study past climates and atmospheric compositions.

Ice Cores

Cylinders of ice drilled from glaciers and ice caps, which are studied to understand past climate conditions through the analysis of trapped gas bubbles and particulate matter.