Optics Question 812
Question: A scuba diver in an empty swimming pool uses a magnifier (n = 1.25) to enlarge the print on a plastic instruction sheet. If the pool is filled with water (n = 1.33), what happens to the magnification of the print?
Options:
A) It increases and is greater than one.
B) It stays the same.
C) It decreases, but is still greater than one.
D) It decreases and is less than one
Show Answer
Answer:
Correct Answer: D
Solution:
[d] Since the water has a greater index of refraction than the lens, the magnifier now acts like a diverging lens, resulting in an image that is smaller than the object.
