An Object 25 Cm from a Convex Mirror Is Observed

question 30

Multiple Choice

An object 25 cm from a convex mirror is observed to produce an image 13.6 cm behind the mirror.What is the focal length of the mirror?

• A)8.8 cm
• B)-8.8 cm
• C)30 cm
• D)-30 cm
• E)-60 cm

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Definitions:

Theoretical Accounts

These are explanations or models proposed by researchers to understand and describe various phenomena or behaviors based on observed data and evidence.

Evolutionary Social Psychology

An approach in social psychology that examines how evolutionary principles influence human social behavior, thoughts, and emotions.

Ethology

Approach that argues that animal behaviour should be studied in the species’ natural physical and social environment. Behaviour is genetically determined and is controlled by natural selection.

Death Instinct

A psychoanalytic concept suggesting that individuals possess an unconscious wish to die or self-destruct, counterbalanced by life-sustaining instincts.