JEE Main & Advanced
Physics
Ray Optics
Question Bank
Self Evaluation Test - Ray Optics and Optical Instruments
question_answer
An object is located in a fixed position in front of a screen. Sharp image is obtained on the screen for two positions of a thin lens separated by 10 cm. The size of the images in two situations are in the ratio 3 : 3. What is the distance between the screen and the object?