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anonymous
 3 years ago
a 9 cm high image of an object is formed on a screen by a convex lens. when the lens is displaced towards the screen, again 4 cm high image is formed on the screen. the height od the image is
a6 cm
b6.5
c6.25
dnone of these
anonymous
 3 years ago
a 9 cm high image of an object is formed on a screen by a convex lens. when the lens is displaced towards the screen, again 4 cm high image is formed on the screen. the height od the image is a6 cm b6.5 c6.25 dnone of these

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0could u explain how ?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0idk i need to know the answer and explanation for it

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0well i knw only the trick for explaination @ujjwal

ujjwal
 3 years ago
Best ResponseYou've already chosen the best response.0you have two different size of images for two different conditions.. the focal length and all other things are unknown.. And you are asking the size of image again (for the 3rd condition, i guess.. and it too comes with no information).. Sorry, can't help you with this!

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0yes, i agree  lack of data.
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