00:01
All right, for question number 11, the answer would be option number b, which says an open tube manometer.
00:18
Yes, you can say that a manometer is a device.
00:25
A manometer is a device used to measure the, used to measure the pressure of a gas, the pressure of a gas or liquid.
00:56
An open tube manometer and open tube manometer consists of u -shaped tube filled with liquid.
01:37
So what is that liquid is generally, it is of only mercury or water.
01:52
So you can say that.
01:55
The difference in the liquid height in the two arms of the liquid tube indicates the pressure of the gas relative to the atmospheric pressure.
02:06
Now let's look on to the question number 12th.
02:11
In this, option number b is going to be correct again.
02:18
So this is just a relation you have to remember, yes.
02:21
Option number b is going to be correct, which is b plus p plus 0 .5 row v square plus row g, y.
02:52
Yes...