> Question 1 Retaken 0 / 1 point A 23-m wire of diameter 0.300 mm draws 0.499 A when connected across a 3.4-V potential difference. What is the resistivity of the material from which the wire is made, in no m to one decimal? Answer: 21 > Question 4 Retaken 0 / 1 point The critical angle for a substance in air is measured at 537". If light enters this substance from air at 285 with the normal, at what angle with the normal will it continue to travel, in degrees? Answer: 53.7 v Question 6 Retaken 0 / 1 point A cell phone is placed 40 cm in front of a converging lens with a focal length of magnitude 20.0 cm. How far is the image of this phone from the lens, in centimeters? Answer: 0.025