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Grade 12Wave Optics

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. if the size of the images in the cases is 3:2, what is the distance between the screen and the object ?

Abhijeet

12 Years agoGrade 12

1 Answer

Archit Dongre

10 Years ago

use f=D²-d²/4D , D is distance between object and image and d is distance between the two positions of lenses

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