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For the lens shown in the figure, calculate the distance between the lens and mirror when the image is formed at the center of curvature of the mirror.

1. 60 cm
2. 50 cm
3. 30 cm
4. 10 cm

Correct answer: 60 cm

Solution

The lens forms an image that acts as the object for the mirror. Using the lens formula and mirror formula, the distance is calculated to be 60 cm for the image to form at the center of curvature of the mirror.

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