th-20-cm-and-an-object-is-placed-30-cm-in-front-of-it-what-is-the-image-distance

Question

A diverging lens has a focal length of −20-20 cm	ext{cm}, and an object is placed 3030 cm	ext{cm} in front of it. What is the image distance?

Accepted Answer

−12-12 cm	ext{cm}

Answer

−50-50 cm	ext{cm}

Answer

6060 cm	ext{cm}

Answer

1212 cm	ext{cm}

A diverging lens has a focal length of −20-20 cm\(\text{cm}\), and an object is placed 3030 cm\(\text{cm}\) in front of it. What is the image distance?