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IP Referring to Example 27–2 Suppose a person’s eyeglasses
Chapter 27, Problem 110IP(choose chapter or problem)
Problem 110IP
IP Referring to Example 27–2 Suppose a person’s eyeglasses have a focaL length of −301 cm, are 2.00 cm in front of the eyes, and allow the person to focus on distant objects. (a) Is this person’s far point greater than or less than 323 cm, which is the far point for glasses the same distance from the eyes and with a focal length of −321 cm? Explain. (b) Find the far point for this person.
Questions & Answers
QUESTION:
Problem 110IP
IP Referring to Example 27–2 Suppose a person’s eyeglasses have a focaL length of −301 cm, are 2.00 cm in front of the eyes, and allow the person to focus on distant objects. (a) Is this person’s far point greater than or less than 323 cm, which is the far point for glasses the same distance from the eyes and with a focal length of −321 cm? Explain. (b) Find the far point for this person.
ANSWER:
Step 1 of 3
(a)
Here we need to explain whether the person’s far point will be greater or less than 323 cm.
In the given case, the far point of the person is lesser than 323 cm, because the image is closer to the eyes as the focal length is small.