The Refractive Power of a Lens of Focal Length 40

question 48

Multiple Choice

The refractive power of a lens of focal length 40 cm is

• A) 4.0 D.
• B) 0.40 D.
• C) 2.5 D.
• D) −2.5 D.
• E) 0.16 D.

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Definitions:

GPA

Grade Point Average, a numerical measure of a student's academic performance, calculated by dividing the total amount of grade points received by the total amount of credit hours attempted.

Gender

A social construct that refers to roles, behaviors, activities, and attributes that a given society considers appropriate for men and women.

Nominal Variables

Categorical data that classify data into distinct categories that do not have an inherent order or ranking.

Cross-Classification Table

A cross-classification table displays the frequency distribution of variables in a table format, facilitating the analysis of the relationship between two or more categorical variables.