JEE Main 2014 — Ray Optics Question with Solution
JEE Main 2014 (11 Apr Online)
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 . The size of the images in two situations are in the ratio . What is the distance between the screen and the object?
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Given: Separation of lens for two of its position, Ratio of size of the images in two positions
Distance of object from the screen, ? Applying formula,
On solving, we get
Hence the distance between the screen and the object is .
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This is a previous-year question from JEE Main 2014, covering the Ray Optics chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.