1) Two objects P and Q are placed at 10 cm and 30 cm infornt of a convex lens of focal length 20 cm . The correct option for the image of p and Q is A) P-virtual and inverted Q-real and upright B) P-virtual and upright Q-real and inverted C) P-real and inverted Q-virtual and upright D) P-real and upright Q-virtual and inverted Answer: Option BExplanation: Focal length of convex lens =20 cm Here, object P is at 10 cm and object Q is at 30 cm As object P is between focus and pole. Its image is virtual and erect Object Q is beyond focus, So its image is real and inverted