A gas column is trapped between closed end of a tube and a mercury
column of length (h) when this tube is placed with its open end
upwards the length of gas column is (1) the length of gas column
becomes (2)when open end of tube is held downwards (as shown in
fig.). Find atmospheric pressure in terms of height of Hg column.
(assume temperature remains constant)
(A). h(l1+l2)/l1-l2. (B).h(l2-l1)/l1+l2
(C). (l1+l2)/h(l2-l1). (D). (h1l1+h2l2).
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