Question

QUESTION 1

1. In the equation to determine the total magnification for a microscope, what does N stand for?

   	1.	The index of refraction of the eyepiece.
   	2.	The index of refraction of the objective.
   	3.	The average index of refraction of both lenses combined with diffraction.
   	4.	The number of lenses on the microscope.
   	5.	The distance the user can see an image with a relaxed eye.
   	6.	The next point of contact for the observer diffracted lens.

3 points   

QUESTION 2

1. You sometimes see a fringe of color around an image seen in a simple lens. This is caused by

   	1.	differential chronometry.
   	2.	diffractive chronometry.
   	3.	spherical aberration.
   	4.	chromatic aberration.
   	5.	differential aberration.

3 points   

QUESTION 4

1. You can correct nearsightedness by placing a _______ lens in front of the eye

   	1.	compact
   	2.	extended
   	3.	final
   	4.	initial
   	5.	converging
   	6.	diverging

3 points   

QUESTION 7

1. If the focal length of a person's eye is less than that distance from the lens to the retina, then

   we say that person is

   	1.	nearsighted
   	2.	farsighted
   	3.	hyperopic
   	4.	astigmatic

3 points   

QUESTION 8

1. We can use lenses to correct for a person nearsightedness by

   	1.	forming an image of distant objects between the person's eye and their far point
   	2.	forming an image of distant objects the focal point of the eye
   	3.	forming an image of distant objects between the object and their far point
   	4.	magnifying the image of all distant objects

3 points   

QUESTION 9

1. When the eye views a distant object, the ciliary muscles are ______ allowing

   the eye's lens to be more __________

   	1.	tense, curved
   	2.	relaxed, flat
   	3.	compact, narrow
   	4.	retracted, open

3 points   

QUESTION 10

1. The shortest distance at which the eye can focus sharply on an object is referred to

   as the

   	1.	near point.
   	2.	radius of curvature.
   	3.	focal length.
   	4.	ciliary distance.

Answer 1

Question 1

Please provide the equation as well

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Question 2

You sometimes see a fringe of color around an image seen in a simple lens. This is caused by

Chromatic aberration

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Question 4

You can correct nearsightedness by placing a _______ lens in front of the eye

concave or diverging lens

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Question 7

If the focal length of a person's eye is less than that distance from the lens to the retina, then

Not sure about this one

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Question 8

We can use lenses to correct for a person nearsightedness by

forming an image of distant objects between the person's eye and their far point

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Question 9

When the eye views a distant object, the ciliary muscles are allowing

the eye's lens to be more

Relaxed, flat

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Question 10

The shortest distance at which the eye can focus sharply on an object is referred to

Near point