Question 1
A ray of light traveling from water (n = 1.33) into air (n = 1.0) strikes the interface at an angle of incidence of 40°. What is the approximate angle of refraction?
Correct Answer:
58.5°
Question 2
The critical angle for glass with a refractive index of 1.52 relative to air is approximately:
Correct Answer:
41.1°
Question 3
A thin convex lens of power +5.00 D forms an image of an object placed 50 cm in front of it. Using the vergence (thin lens) equation, where is the image formed?
Correct Answer:
33.3 cm behind the lens
Question 4
Which type of aberration causes the image of a point object located off the optical axis to appear as a comet-shaped blur?
Correct Answer:
Coma
Question 5
The wavelength of light in a medium with refractive index 1.5 when the wavelength in vacuum is 600 nm is:
Correct Answer:
400 nm
Question 1
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About this Exam

Prepare with the OLE Practice Questions - PRC Optometrist Licensure Examination (OLE), Philippines Exam practice quiz. This question bank includes 100 questions covering lens, patient, contact, because, and refractive. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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OLE Practice Questions - PRC Optometrist Licensure Examination (OLE), Philippines Exam

This practice set contains 100 questions from the matching question bank and focuses on lens, patient, contact, because, and refractive. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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