The interanal radius of one limb of a capillary U-tube is r_(1) = 1 mm and the internal radius of the second limb is r_(2) = 2 mm, the tube is filled with same mercury, and one of the limbs is connected to a vecuum pump. The surface tension & density of mercury are 480 "dyn"//"cm" & 13.6 gm//cm^(3) respectively (assume contact angle to be theta = 180^(@))(g = 9.8 m//s^(2)) What will be the difference in air pressure when the mercury levels in both limbs are at the same height ?

The interanal radius of one limb of a capillary U-tube is r_(1) = 1 mm

1.	The interanal radius of one limb of a capillary U-tube is r_(1) = 1 mm and the internal radius of the second limb is r_(2) = 2 mm, the tube is filled with same mercury, and one of the limbs is connected to a vecuum pump. The surface tension & density of mercury are 480 "dyn"//"cm" & 13.6 gm//cm^(3) respectively (assume contact angle to be theta = 180^(@))(g = 9.8 m//s^(2)) What will be the difference in air pressure when the mercury levels in both limbs are at the same height ?
Answer» `3.53 MM` of `HG` `1.51 mm` of `Hg` `0.51 mm` of `Hg` `5.52 mm` of `Hg` SOLUTION :N//A