wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

In given figure, if the pressure of gas in bulb A is 50 cm Hg vacuum and ρatm=76 cm Hg, then height of column H is equal to



A
26 cm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
50 cm
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
76 cm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
126 cm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 50 cm

hvac=50cm Hg
Patm=76cm Hg
Absolute pressure at point 1
= Absolute pressure of point 2
(Pabs)1=(Pabs)2
(Patm+PG)1=(PatmPvac)2+ρgH
Patm+0=PatmPvac+ρgH
or ρgH=Pvac
ρgH=ρghvac
or
H= hvac =50cm Hg


flag
Suggest Corrections
thumbs-up
11
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Absolute , Gauge , Atmospheric and and Vaccum Pressure
FLUID MECHANICS
Watch in App
Join BYJU'S Learning Program
CrossIcon