An Object Is Placed 21 Cm from a Concave Lens

question 3

Multiple Choice

An object is placed 21 cm from a concave lens of focal length 25 cm. What is the magnification?

• A) -0.54
• B) 0.54
• C) -0.32
• D) -0.22
• E) 0.22

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Definitions:

Sensitization

Learned behavior in which the response to a stimulus strengthens with repeated presentations.

Drug Use

The act of consuming substances for medical or recreational purposes, which can impact health and behavior.

Metabolic Tolerance

A situation where repeated exposure to a substance diminishes the effect of that substance by accelerating the body's metabolism, requiring higher doses for the same effect.

Cellular Tolerance

A condition in which cells reduce their responsiveness to a substance after repeated exposure.