A Lens Has a Refractive Power of −1

question 35

Multiple Choice

A lens has a refractive power of −1.50 D. What is its focal length?

• A) 150 cm
• B) −150 cm
• C) 66.7 cm
• D) −66.7 cm
• E) 8.50 cm

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Definitions:

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A martial art known for its slow, flowing movements and health benefits, including stress reduction and improvement in balance and flexibility.

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A form of strength training where individuals lift weights to improve muscle strength and mass.

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The act of propelling oneself through water using the arms, legs, and body in motions such as strokes.