A Beam of Light in Air Is Incident on the Surface

question 60

Multiple Choice

A beam of light in air is incident on the surface of a rectangular block of clear plastic (n = 1.49) .If the velocity of the beam before it enters the plastic is 3.00 x 10⁸ m/s,what is its velocity inside the block?

• A)3.00 x 10⁸ m/s
• B)1.93 x 10⁸ m/s
• C)2.01 x 10⁸ m/s
• D)1.35 x 10⁸ m/s

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Definitions:

Uncertainty-Avoidance Cultures

Cultures that have a low tolerance for uncertainty and ambiguity, leading to well-established norms and rules to minimize the unpredictability of future events.

Openness To Change

The willingness or ability to accept and adapt to new ideas, situations, or innovations.

Geert Hofstede

A Dutch social psychologist known for his research on cross-cultural groups and organizations, especially for developing the cultural dimensions theory.

Uncertainty Avoidance

A cultural dimension that describes the extent to which a society tolerates ambiguity and uncertainty, favoring clear rules and stability.