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Question

http://www.mtholyoke.edu/%7Empeterso/classes/phys301/geomopti/twolenses.html


Use the previous link to determine the following questions for BOTHconverging and diverging lenses:
(Please explain how you used the link or draw a diagram)

1. object distance > 2f
   a. the image is real or virtual?
   b. the image is in front or behind the lens?
   c. the image is inverted or upright?
   d. the image is magnified or de-magnified or samesize?
2. object distance < 2f but > f
   a. the image isreal or virtual?
   b. the image is in front or behind the lens?
   c. the image is inverted or upright?
   d. the image is magnified or de-magnified or samesize?
3. object distance< f
   a. the image isreal or virtual?
   b. the image is in front or behind the lens?
   c. the image is inverted or upright?
   d. the image is magnified or de-magnified or samesize?

Explanation / Answer

1. object distance > 2f

for converginglens image is real ,behind the lens ,inverted,samesize.

fordiverging lens image is virtual ,in front of the lens ,upright, de magnified.

   a.the image is real or virtual?
   b. the image is in front or behind the lens?
   c. the image is inverted or upright?
   d. the image is magnified or de-magnified or samesize?
2. object distance < 2f but > f

for converginglens image is real ,behind the lens ,inverted,magnified

fordiverging lens image is virtual ,in front of the lens ,upright, de magnified.

   a.the image is real or virtual?
   b. the image is in front or behind the lens?
   c. the image is inverted or upright?
   d. the image is magnified or de-magnified or samesize?
3. object distance< f

for converginglens image is virtual ,in front of the lens ,magnified..

fordiverging lens image is virtual ,in front of the lens ,upright, de magnified.

   a.the image is real or virtual?
   b. the image is in front or behind the lens?
   c. the image is inverted or upright?
   d. the image is magnified or de-magnified or samesize?

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