Thin Lens And Lens Maker Equations Video Lessons

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Problem: Which of the following statements are true concerning sign conventions for image formation?Check all that apply.A. A virtual image has a positive image distance; a real image has a negative image distance.B. For an upright image, the magnification is positive; for an inverted image, the magnification is negative.C. When the center of curvature of a spherical mirror is on the same side as the reflected light, the radius of curvature is positive; otherwise, it is negative.D. A converging lens has a negative focal length; a diverging lens has a positive focal length.E. When the object is on the same side of the reflecting or refracting surface as the incoming light, the object distance is positive; otherwise, it is negative.

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In this question, we'll review which statements are correct or false based on our knowledge of sign conventions.

A. False. When the image and the object are on the same side, the image distance is negative and the image is virtual.

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Problem Details

Which of the following statements are true concerning sign conventions for image formation?

Check all that apply.

A. A virtual image has a positive image distance; a real image has a negative image distance.
B. For an upright image, the magnification is positive; for an inverted image, the magnification is negative.
C. When the center of curvature of a spherical mirror is on the same side as the reflected light, the radius of curvature is positive; otherwise, it is negative.
D. A converging lens has a negative focal length; a diverging lens has a positive focal length.
E. When the object is on the same side of the reflecting or refracting surface as the incoming light, the object distance is positive; otherwise, it is negative.

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