15. please help

5. In an investigation, a group of students measures an object to be 10.0cm tall. They place the object 3.2 cm in front of a thin lens. They observe a virtual image is formed and measure the distance from the image to lens to be 4.3 cm. This lens is classified as a and its focal length is The statement above is best completed by the answers in row: Row converging lens 1.8 cm converging lens 13 cm diverging lens 1.8 cm diverging lens 13 cm