Question
If you know the focal length of a concave mirror, where should you place an object so that its image is upright and larger compared to the object? Will this produce a real or virtual image?
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The focal length of a concave mirror is always negative. The object distance is always positive. Show more…
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You have a spherical mirror with a radius of curvature of $+20.0 \mathrm{~cm}$ (so it is concave facing you). You are looking at an object whose size you want to double in the image, so you can see it better. Where should you put the object? Where will the image be, and will it be real or virtual?
(a) Where on the axis of a concave mirror would you place an object to get a half-sized image? (b) Where will the image be located? (c) Will the image be real or virtual?
(a) Where on the axis of a concave mirror would you place an object to get a half-size image? (b) Where will the image be located? (c) Will the image be real or virtual?
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