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Q: physics ( Answered,   0 Comments )
Question  
Subject: physics
Category: Science > Physics
Asked by: answer123-ga
List Price: $2.00
Posted: 06 Dec 2002 22:38 PST
Expires: 05 Jan 2003 22:38 PST
Question ID: 120735
If the image height is 10 cm and the objects height is 1 cm then the
magnification is
a. 10 times
b. 2 times
c. 100 times
d. 0.1 times
e. none of the above
Answer  
Subject: Re: physics
Answered By: livioflores-ga on 06 Dec 2002 23:32 PST
 
Hello!! I am hee again!!

The correct answer is a)10 times.


"...the height of the image produced by the lens divided by the height
of the object determines the lateral magnification (M) of the lens:

Magnification (M) = (Image Height)/(Object Height) = b/a "
From "Molecular Expressions Microscopy Primer: Physics of Light and
Color - Lenses and Geometrical Optics"
http://micro.magnet.fsu.edu/primer/lightandcolor/lensesintro.html


Definition:
Magnification:" In microscopy, the ratio (distance between two points
in the image)/(distance between the two corresponding points in the
specimen). The apparent size of the specimen or primary image at 25 cm
(~ 10 inches) from the eye is considered to be at I x . Commonly,
magnification refers to the ratio of the distance between two points
in the image, lying in a plane perpendicular to the optical axis of
the microscope, to the corresponding two points in the specimen. This
is the lateral magnification. The longitudinal or axial magnification
is measured along the optical axis and (for small distances from the
focal plane) is given by the square of the lateral magnification."
From "University of Minnesota - Institute of Technology - Glossary":
http://www.charfac.umn.edu/glossary/m.html


See "Useful Optic Formulas for OSE" at MRCOphth.com:
http://www.mrcophth.com/mock/formula.html


Search keywords:
magnification optics physics
"lateral magnification"

Search results pages:
://www.google.com/search?hl=en&lr=&ie=ISO-8859-1&q=magnification+optics+physics&btnG=Google+Search

://www.google.com/search?q=%22lateral+magnification%22&hl=en&lr=&ie=UTF-8&start=0&sa=N


I hope this helps you, and remember if you need a clarification,
please post a request for it.

Thank you.
livioflores-ga
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