61. At a distance of 15 cm from the diverging lens with a focal length f = 30 cm perpendicular to the main optical axis of the object height is h = 9 cm. Determine: 1) the distance b from the lens image; 2) the height H of the image. Media on both sides of the lens are equal.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)