Question

BE CAREFUL OF YOUR + AND - VALUES... 1) An object is placed 8 cm in front of converging lens. A real image is produced at 12 cm. Find the focal distance of the lens. 2) A 15.0 cm object is placed 60.0 cm from a convex lens, which has a focal length of 15.0 cm. Use the thin lens equation to find the distance of the image. 3) A 15.0 cm object is placed 60.0 cm from a convex mirror, which has a focal length of 15.0 cm. Use the thin lens equation to find the distance of the image. 4) An object is placed 18 cm in front of concave mirror. A real image is produced at 12 cm. Find the focal distance of the lens.

          BE CAREFUL OF YOUR + AND - VALUES...
1) An object is placed 8 cm in front of converging lens. A real image is produced at 12 cm. Find the focal distance of the lens.
2) A 15.0 cm object is placed 60.0 cm from a convex lens, which has a focal length of 15.0 cm. Use the thin lens equation to find the distance of the image.
3) A 15.0 cm object is placed 60.0 cm from a convex mirror, which has a focal length of 15.0 cm. Use the thin lens equation to find the distance of the image.
4) An object is placed 18 cm in front of concave mirror. A real image is produced at 12 cm. Find the focal distance of the lens.

BE CAREFUL OF YOUR + AND - VALUES...
1) An object is placed 8 cm in front of converging lens. A real image is produced at 12 cm. Find the focal distance of the lens.
2) A 15.0 cm object is placed 60.0 cm from a convex lens, which has a focal length of 15.0 cm. Use the thin lens equation to find the distance of the image.
3) A 15.0 cm object is placed 60.0 cm from a convex mirror, which has a focal length of 15.0 cm. Use the thin lens equation to find the distance of the image.
4) An object is placed 18 cm in front of concave mirror. A real image is produced at 12 cm. Find the focal distance of the lens.

Added by Luis Miguel F.

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