You have a lens whose focal length is 6.51 cm. You place an object on the axis of the lens at a distance of 12.1 cm from it. How far is the object's image from the lens (as a positive quantity)? Number cm If it can be determined, is the image real or virtual? OCannot be determined Real O Virtual If it can be determined, is the image upright or inverted with respect to the object? O Cannot be determined O Upright O Inverted