By taking two J-tubes at constant temperature what is the difference in the levels of mercury in two columns?

By taking two J-tubes at constant temperature what is the difference i

1.	By taking two J-tubes at constant temperature what is the difference in the levels of mercury in two columns?
Answer» 1013.3 mm 1140 mm 253.3 mm 760 mm SOLUTION :`P_1V_1 = P_2V_2` `(2.4) xx (760) = 1.8 xx (760 +h) implies h = 253.3`.