JEE Main 2014 Physics question
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 : 2. What is the distance between the screen and the object?
Answer: (4)
Solution
In the displacement method with object–screen distance D and lens separation d, the two magnifications are and , so $ =
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account