An objects is suspended with a string which gets stretched when the object is completely immersed in water, the extention of thread decreases. explain why it happens?
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the extension of string reduces because when the object is immersed in water,it loses weight due to the upthrust exerted by water.
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When an object is immersed in water an upward thrust due to water acts on it, because of which extension of the string decreases.
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