how is the height measured when the image is formed on the water surface of a building lying near to the riverbank is it negative or positive
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go to this link....
it will explain good..
https://www.khanacademy.org/.../object-image-height-and-distance..
it will explain good..
https://www.khanacademy.org/.../object-image-height-and-distance..
mallikarjun5:
sorry I am not able to get it
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