A Lens of Focal Length 10 Cm Is Placed in Contact

question 10

Multiple Choice

A lens of focal length 10 cm is placed in contact with a lens of focal length −15 cm. What is the focal length of the combination?

• A) -15 cm
• B) 6.0 cm
• C) 7.5 cm
• D) −5.0 cm
• E) 30 cm

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Definitions:

Rank-Order Reversal

An occurrence where the position of individuals or items in a ranked list changes significantly, indicating a change in their relative standings or magnitudes over time.

Cumulative Continuity

refers to the psychological concept that personality traits become more stable and pronounced over time through the accumulation of consistent patterns of thoughts, feelings, and behaviors.

Person-Environment Transactions

Interactions between individuals and their physical, social, and psychological environments that influence behavior and development.

Rank-Order Consistency

The stability of individual differences within a population over time, particularly in terms of personality traits.