Graph 1 ... image distance versus object distance for a convex lens of focal length 25 cm |
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| The error bars show the range over which the image of the filament appears to be in sharp focus on the screen. |
Graph 1 ... image distance versus object distance for a convex lens of focal length 25 cm |
|
| The error bars show the range over which the image of the filament appears to be in sharp focus on the screen. |