JAMB Physics 2012 Objective — Question 34
Question 34 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2012 Objective paper, with the correct answer and a full explanation.
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A glass block of thickness 10cm is placed on an object. If an observer views the object vertically, the displacement of the object is [glass’s refractive index=1.5]
- A. 3.33cmCorrect
- B. 5.00cm
- C. 6.67cm
- D. 10.00cm
Explanation
Apparent displacement = t(1−1/n) = 10×(1−1/1.5) = 10×(1/3) = 3.33cm.
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