The density of liquid gallium at 30oC is 6.095 g/ml. Because of its wide liquid range (30 to 2400oC), gallium could be used as a barometer fluid at high temperature. What height (in cm) of gallium will be supported on a day when the mercury barometer reads 740 torr?(The density of mercury is 13.6 g/ml.).

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

322

285

165

210

answer is C.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

P=hdgP=740torr=740x133.32 pascals, g=9.8ms-2d=6.095gm/ml = 6095kg/m3, h=?hGallium =740×133.326095×9.8=165cm

Watch 3-min video & get full concept clarity