Homework Help: Physical Science

Posted by molly on Tuesday, September 21, 2010 at 4:30pm.

Need help please. the once with the ( )
is my answer but i am not sure if it right.
Thanks for your help.

15. If the distance from a converging lens to the object is less than the focal length of the lens, the image will be
A. real, inverted, and larger than the object.
(B). real, inverted, and smaller than the object. ?
C. virtual, upright, and larger than the object.
D. virtual, upright, and smaller than the object.

If an object 18 millimeters high is placed 12 millimeters from a diverging lens and the
image is formed 4 millimeters in front of the lens, what is the height of the image?
(A). 6 millimeters C. 14 millimeters
B. 8 millimeters D. 22 millimeters

Physical Science - bobpursley, Tuesday, September 21, 2010 at 4:35pm
didn't I just do this?
Physical Science - molly, Tuesday, September 21, 2010 at 4:44pm
If you did it wasn't for me :)
Physical Science - bobpursley, Tuesday, September 21, 2010 at 5:33pm
It didn't post.
15. The image in a magnifying glass is NOT real. http://hyperphysics.phy-astr.gsu.edu/hbase/geoopt/raydiag.html

correct on the second.
Physical Science - molly, Tuesday, September 21, 2010 at 6:20pm
thank you

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