00:01
Okay, for this problem, we have a converging lens.
00:03
So the sign convention for converging lens is positive.
00:09
Now, this problem wants us to determine the distance of the image and the magnification given the distance of the object.
00:21
So we will use the thin lens equation, which is this, and the magnification equation, which is six.
00:31
So isolating the distance of the image to the left side, the equation goes this.
00:38
For a, if the distance of the object is 91 centimeter.
00:45
So since the distance of the object is equals to focal length, therefore no image is formed.
00:55
For b, the distance of the object is 15 .2 centimeters...