Examlex
The figure shows a doublet lens in which the lens with positive focal length and the lens with negative focal length are both manufactured from flint glass and have the same radii of curvatures. The focal length of the concave lens is -50.8 cm, and the focal length of the convex lens is 50.8 cm. The combined focal length of the doublet is
Qualitative Research
A method of research used primarily in the social sciences that focuses on understanding how people interpret and make sense of their experiences and the world around them, often through interviews, observation, and textual analysis.
Quantitative Data
Data that can be quantified and verified, usually numerical in nature, used in statistical analysis to identify patterns, trends, and relationships.
Social Psychologists
Scientists who study how people's thoughts, feelings, and behaviors are influenced by the actual, imagined, or implied presence of others.
Ecological Validity
The extent to which the findings of research studies can be generalized to real-world settings.
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