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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Online Self-report Inventory

A digital questionnaire designed to assess various psychological traits, conditions, or symptoms, where respondents self-evaluate and submit their responses electronically.

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Individuals who are engaged in the process of completing a test or examination, often to assess skills, knowledge, personality, or capabilities.

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