a-very-small-round-object-is-placed-3-0-cm-away-from-a-concave-dentist-s-mirror-

Question

A very small round object is placed 3.0 cm away from a concave dentist's mirror with a radius of curvature of 9.0 cm. Find the image distance from the mirror vertex. Is that image virtual?

Accepted Answer

i) The image is located 9.0 cm to the right of the mirror vertex
ii) Yes

Answer

i) The image is located 1.8 cm to the left of the mirror vertex
ii) No

Answer

i) The image is located 2.3 cm to the left of the mirror vertex
ii) Yes

Answer

i) The image is located 4.5 cm to the right of the mirror vertex
ii) No

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A very small round object is placed 3.0 cm away from a concave dentist's mirror with a radius of curvature of 9.0 cm. Find the image distance from the mirror vertex. Is that image virtual?