Question

A 6.00 cm tall candle is placed at a distance of 30.0 cm from a double convex lens having a focal length of 15.0 cm. How tall is the image?

1.50 cm

3.00 cm

6.00 cm

9.00 cm

I honestly don't even know where to begin with this one, but if I guessed, I would go with 1.50cm

12 years ago