Homework Help: physics

Posted by hunaa physics on Tuesday, December 11, 2012 at 5:39pm.

An object is placed 3cm in front of a diverging lens of focal length of 6cm. the heihgt of the object is 1.5 cm. calculate the image distance and height of the image

physics - pking, Wednesday, December 12, 2012 at 11:36am
-1/6-1/3=-1/2
image distance=-2

hi/ho=-di/do
hi/1.5=-(-2)/3
hi=(2/3)x(3/2)
hi=1
physics - hunaa physics, Wednesday, December 12, 2012 at 11:51am
i wantere being if two different conventions are there in applications. Since I saw two different systems being followed.

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