Math, asked by patrickaniya, 10 months ago

the side length of the screen 100 cm over 2

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Answered by virat293
1

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Answered by anujdiwakr334
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Answer:

A screen is placed at a distance of 100 cm from an object. The image of the object isformed on the screen by a convex lens for two different locations of the lens separated by 20 cm. Calculate the focal length of the lens used.

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