Question 11 MarkA concave lens forms a magnified or diminished image depending on the distance of object from it.AnswerFalseView full question & answer→
Question 21 MarkA ray of light incident at the optical centre of lens, passes undeviated after refraction.AnswerTrueView full question & answer→
Question 31 MarkA ray of light incident parallel to the principal axis of a lens, passes undeviated after refraction.AnswerFalseView full question & answer→
Question 41 MarkA concave lens, if kept at a proper distance from an object, can form its real image.AnswerFalseView full question & answer→
Question 51 MarkA convex lens has a divergent action and a concave lens has a convergent action.AnswerFalseView full question & answer→