A Ray of Light Passes from Air into Water,striking the Surface

question 57

Multiple Choice

A ray of light passes from air into water,striking the surface of the water with an angle of incidence of 45º.Which of the following four quantities change as the light enters the water: (1) wavelength,(2) frequency,(3) speed of propagation,and (4) direction of propagation?

• A)1 and 2 only
• B)2,3,and 4 only
• C)1,3,and 4 only
• D)3 and 4 only
• E)1,2,3,and 4

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Definitions:

Diachronic

Pertaining to the study of phenomena, such as languages, as they change over time.

Class Consciousness

The awareness and understanding individuals have of their place in a class structure, specifically recognizing common vested interests and the need for collective political action.

Objective Economic

typically refers to economic analyses or conditions that are based on factual, measurable data rather than personal feelings or opinions.

Socialist Societies

Societies that adopt a socialist system, emphasizing public or collective ownership and the distribution of resources and wealth for achieving equality and social justice.