A Double-Convex Lens Is Formed from a Piece of Plastic

question 52

Multiple Choice

A double-convex lens is formed from a piece of plastic with an index of refraction of 1.70. The radius of the front surface has magnitude 20 cm, and the radius of the back surface has magnitude
30 cm. What is the focal length of this lens?

• A) 17 cm
• B) -17 cm
• C) -86 cm
• D) 43 cm
• E) 86 cm

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Definitions:

Gendered Institutions

The total pattern of gender relations that structure social institutions, including the stereotypical expectations, interpersonal relationships, and the different placement of men and women that are found in institutions.

Sexist Ways

Practices, attitudes, or behaviors that discriminate or devalue individuals based on their gender, often perpetuating stereotypes and undermining equality.

Sexism

Prejudice, stereotyping, or discrimination, typically against women, on the basis of sex.

Sex

Used to refer to biological identity as male or female.