To Obtain an Observable Double-Slit Fringe Pattern

question 20

Multiple Choice

To obtain an observable double-slit fringe pattern:

• A)the light must be incident normally on the slits
• B)the light must be monochromatic
• C)the light must consist of plane waves
• D)the light must be coherent
• E)the screen must be far away from the slits

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Definitions:

Ethnographers

Researchers who study cultures and communities by participating in and observing their daily lives, often living among the people they are studying.

Key Consultants

Members of the society being studied who provide information that helps the researchers understand the meaning of what they observe. Early anthropologists referred to such individuals as informants.

Ethnographic Notes

Observations and reflections recorded by anthropologists during fieldwork, capturing cultural practices, social interactions, and the context they occur in.

American Anthropological Association

A professional organization dedicated to advancing the study of human beings in various aspects, including cultural, biological, archaeological, and linguistic.