Subject :NSO Class : Class 7
Air at pressure P1 is
injected to a manometer
with a tube size of 2 cm
diameter and air at pressure
P2 is injected to another
manometer with a tube
size of 4 cm diameter as
shown in the figure.
Which of the following options about P1 and P2 is
true?
A P1 = P2
B 2P1 = P2
C 4P1 = P2
D P1 = 4P2
Ans 1:
Class : Class 10
A
Ans 2:
Class : Class 9
It should be since there is less space in the tube p1 than tube p2