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An object is placed in front of a concav...

An object is placed in front of a concave mirror at a distance of 7.5 cm from it. If the real image is formed at a distance of 30 cm from the mirror, find the focal length of the mirror. What would be the focal length if the image is virtual.

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AI Generated Solution

To solve the problem, we will use the mirror formula, which is given by: \[ \frac{1}{f} = \frac{1}{v} + \frac{1}{u} \] Where: - \( f \) is the focal length of the mirror, ...
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