O O O O O O 2 1 Olga is nearsighted and cannot see things beyond 90. cm (with 2 sig.fig) from her eyes. What is the refractive power of the contact lenses that will enable her to comfortably see distant buildings clearly? Which characteristic of the eye lens, Pmin or Pmax, do you need to use in order to determine your answer? O up -1.1 diopters, Pmax -1.7 diopters, Pmin -2.2 diopters, Pmin 1.1 diopters, Pmin -1.1 diopters, pmin -2.2 diopters, Pmax Ilinca has a far point of 300 o converglng C) diverging C) she doesnt need lens _ What kind of lens, converging or diverging, should be prescribed for her to see distant objects more clearly? O not enough information to estimate 3 An electron moving horizontally from left to right across the page enters a uniform electric field that points toward the top of the page. Choose the correct direction of the electric force exerted by the field on the electron. O O O O down left right the electric force exerted by the field on the electron is O N