Post-UTME Physics 2015 Objective — Question 5
Question 5 of 20 from the Post-UTME Screening (Post-UTME) Physics 2015 Objective paper, with the correct answer and a full explanation.
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The concept of no-parallax is often used in light experiments to
- A. locate small objects
- B. determine refractive index
- C. determine angle of reflection
- D. locate images of objectsCorrect
Explanation
The no-parallax method is used to precisely locate the position of an image (real or virtual) by eliminating relative (parallax) movement between a search pin and the image.
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