refracteezy

  1. I

    refracteezy in this beezy.

    a)Where must an object be placed to form an image 30.7 cm from a diverging lens with a focal length of 38.0 cm? Answer in units of cm. My feeble attempt: 1/p+1/q=1/f 1/p=1/f-1/q 1/p=-1/38-1/30.7 p=-16.981077115 Correct me.