jee-main 2014 Q24

jee-main · India · 11apr Not Maths
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?
(1) 124.5 cm
(2) 144.5 cm
(3) 65.0 cm
(4) 99.0 cm
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?\\
(1) 124.5 cm\\
(2) 144.5 cm\\
(3) 65.0 cm\\
(4) 99.0 cm