Q1) Suppose you are going to visit your friend and you realize that when she is wearing her glasses, shehas to put her book 36cm from her face to be able to read.Then, you tell her that is she is probably due for new glasses. You see her current prescription is + 0.8D.a) Calculate the punctum proximum of your friend's eyes in cm.b) So that she can read comfortably, you prescribe new glasses to her. Calculate thethese glasses in diopter.vergence ofQ2) Your husband Tom is able to see clearly objects lying 13cm to 171cm from his eyes. You want tohelp him prescribe glasses.a) Calculate the vergence of the glasses that correct his problem in dioptersb) What does he suffer from? Myopia, presbyopia or hyperopia?c) Whenyourfriend starts to wear his glasses, what will his new punctum proximum be?

Q1) Suppose you are going to visit your friend and you realize that when she is wearing her glasses, she has to put her book 36cm from her face to be able to read. Then, you tell her that is she is probably due for new glasses. You see her current prescription is + 0.8D. a) Calculate the punctum proximum of your friend's eyes in cm. b) So that she can read comfortably, you prescribe new glasses to her. Calculate the vergence of these glasses in diopter.

Q1) Suppose you are going to visit your friend and you realize that when she is wearing her glasses, she has to put her book 36cm from her face to be able to read. Then, you tell her that is she is probably due for new glasses. You see her current prescription is + 0.8D. a) Calculate the punctum proximum of your friend's eyes in cm. b) So that she can read comfortably, you prescribe new glasses to her. Calculate the vergence of these glasses in diopter.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Applications Of Reflection Of Light

When a light ray (termed as the incident ray) hits a surface and bounces back (forms a reflected ray), the process of reflection of light has taken place.

Sign Convention for Mirrors

A mirror is made of glass that is coated with a metal amalgam on one side due to which the light ray incident on the surface undergoes reflection and not refraction.

Question

Q1) Suppose you are going to visit your friend and you realize that when she is wearing her glasses, she
has to put her book 36cm from her face to be able to read.
Then, you tell her that is she is probably due for new glasses. You see her current prescription is + 0.8D.
a) Calculate the punctum proximum of your friend's eyes in cm.
b) So that she can read comfortably, you prescribe new glasses to her. Calculate the
these glasses in diopter.
vergence of
Q2) Your husband Tom is able to see clearly objects lying 13cm to 171cm from his eyes. You want to
help him prescribe glasses.
a) Calculate the vergence of the glasses that correct his problem in diopters
b) What does he suffer from? Myopia, presbyopia or hyperopia?
c) When
your
friend starts to wear his glasses, what will his new punctum proximum be?

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