The image of an object formed by a lens has magnification -1. If the distance between the object and its image is 60cm, what is the focal length of the lens? If
the object is moved 20cm towards the lens ,where would the image be
formed?Draw a ray diagram to illustrate your answer?

1) sections 1, 2, and 10 are significant primarily because they suggest the likelihood that a) widow wycherly is actually the woman in the full-length portrait. b) dr. heidegger wants to include his guests in an experiment with the water. c) dr. heidegger plans to drink some of the water from the vase and needs witnesses. d) the guests will be asked to witness dr. heidegger's transformation when he drinks the water.

Orange juice has a lower or higher viscosity than chocolate syrup

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?