Question

*Q. Choose the correct option :-*

1.) The formula of pressure used to find pressure in a liquid column is

A) Pressure = thrust / area
B) h\density of liquid/area
C) Pressure = P /A

2.) 1kgf =

A) 9.8N
B) 980dyne
C) 10m

3.) The pressure exerted on a surface area of 1m² by a force of N acting normally on it.

A) 2 pascal
B) 1 kgf
C) 1pa

4.) A fluid contained in a vessel exerts pressure

A) at upper side
B) at the bottom
C) in all directions

5.) The normal atmospheric pressure is

A) 76m of Hg
B) 76m of Hg
C) 76 Pascal

6.) A solid exerts pressure

A) in all directions
B) on its bas
C) in upper direction

7.) The Thrust exerted per unit area on the surface due to liquid column air.

A) Pressure
B) Atmospheric pressure C) Acceleration due to Gravity

8.) The atmospheric pressure at the earth surface is P1 and inside mine is P2. They are related as

A) P1= P2
B) P1> P2
C) P1 < P2

9.) Pressure is ________ quantity.

A) Scalar
B) Vector

10.) Thrust is a ________ quantity.

A) Scalar
B) Vector​

Answer 1

Answer:

1) for liquid pressure is measured by using the formula

mgh

2) a and b

3) check the question

4)c

5)76 cm of Hg

6)b

7)b

8) c

9)a

10)b

Explanation:

1) m- mass ,h- height,g- acceleration due to gravity