Two solid cylindrical objects $X$ and $Y$ are held fully submerged in a liquid, as shown.
The objects have the same volume. The density of the material of $Y$ is twice the density of the material of $X$. Both objects are stationary.
Which statement is correct?
1 )
The force due to the liquid acting on the top surface of $X$ is greater than that acting on the top surface of $Y$.
2 )
The pressure difference due to the liquid between the top and bottom surfaces of $X$ is the same as that for $Y$.
The upthrust acting on $X$ is the same as the upthrust acting on $Y$.
4 )
The weight of $X$ is the same as the weight of $Y$.
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