A Double-Concave Lens Has Equal Radii of Curvature of 15

question 40

Multiple Choice

A double-concave lens has equal radii of curvature of 15.1 cm. An object placed 14.2 cm from the lens forms a virtual image 5.29 cm from the lens. What is the index of refraction of the lens material?

• A) 1.90
• B) 1.98
• C) 1.82
• D) 1.77

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Definitions:

Increasing Temperature

Refers to the rise in average temperatures across the Earth, often associated with global warming and climate change.

Low Pressure

A condition in the atmosphere where the air pressure is lower than the surrounding area, often leading to cloudy weather and precipitation.

Upper Air Currents

Large-scale movements of air that occur in the upper part of the atmosphere, influencing weather patterns and climate.

Air Convergence

The meeting and combining of airflow from different directions, often leading to cloud formation and precipitation.