17 An object 40 cm high is placed 60 om in front of a converging lens whose focal length is 1.0 m. Determine the image height. Select one alternative: O 100 cm O-80 cm O 200 cm O -100 em 0im ROSTI Maximum marks: 118 A piece of material which has a charge of Q = 4.8 x 10-13 C contains Select one alternative: O the exact same number of protons and electrons. O 30000 more protons than electrons. O 2.72*10-15 more protons than electrons O 3000 more protons than electrons. O 30000 more electrons then protons. Reset Maximum marks: 116 In which circumstance does a diverging lens produce an real image? Select one alternative: O When the object height is larger than the mirror size. O When the object distance is smaller than the focal length. O Under no circumstances. O When the object distance equals the focal length. When the object distance is larger than the focal length. Maximum marks: 1 Reset