The image created by a converging lens is projected on a screen that is 60 cm away from the lens. If the height of the image is one fourth the height of the object, what is focal length of the lens? |
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(a) |
36 cm |
(b) |
(c) |
(d) |
The image created by a converging lens is projected on a screen that is 60 cm away from the lens. If the height of the image is one fourth the height of the object, what is focal length of the lens? |
|||||||
(a) |
36 cm |
(b) |
(c) |
(d) |