A sheet of tin sinks in water but if the same sheet is converted into a box or boat, it floats. Why ?
A sheet of tin sinks in water because the density of tin is higher than that of water. At the point when a similar sheet of tin is changed over into a box or a boat, then, at that point, because of the catching of parcel of 'light' air in the box or boat, the normal density of the box or boat made of the tin sheet becomes lower than that of water and subsequently, in result, it box or boat made of tin sheet floats in water.
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