Q130. A convex lens has a focal length of 20 cm. To form an erect image that is twice the size of an object, where must the object be placed?Physics — Nust Mock By Dogers 1 — Question 130 of 200A. 20 cmB. 5 cmC. 10 cmD. 30 cmPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →