When a Light Wave Enters into a Medium of Different

question 47

Multiple Choice

When a light wave enters into a medium of different optical density,

• A)only its speed changes.
• B)its speed and frequency change.
• C)its speed and wavelength change.
• D)its frequency and wavelength change.
• E)its speed, frequency, and wavelength change.

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Definitions:

Collective Movements

Organized group actions aimed at achieving a common goal, often related to social, political, or environmental change.

Riots

Violent disturbances by a large group of people, often expressing dissent against perceived injustices or government policies.

Social Movements

Organized collective efforts aiming at promoting or resisting social change.

Norms Governing

Refers to the rules or standards that regulate behavior within a group or society.