An Object Is Placed at a Distance of 30 Cm

question 59

Multiple Choice

An object is placed at a distance of 30 cm from a thin convex lens along its axis.The lens has a focal length of 10 cm.What are the values,respectively,of the image distance and magnification?

• A)60 cm and 2.0
• B)15 cm and 2.0
• C)60 cm and -0.50
• D)15 cm and -0.50

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Definitions:

Predictive Validity

The extent to which a score on a scale or test predicts future performance on a related outcome.

Neuroticism

A personality trait characterized by the tendency toward anxiety, moodiness, worry, and other forms of emotional instability.

Openness

One of the Big Five personality traits, characterized by imagination, creativity, and a willingness to experience new things.

Agreeableness

Agreeableness is a personality trait that signifies how cooperative, warm, and kind an individual is towards others.