Pick out the most accurate expression.
P = hρg
P = Ahρg
The SI unit of thrust is
dyne
N
m
Nm
A hydrometer is used to measure the following quantity of a liquid.
Mass
Volume
Relative density
Density
SI unit of pressure is
Pascal
Weber
Larger the volume of body submerged in fluid, the upthrust will be
Same
Less
Greater
Cannot predict
The liquid pressure on a diver changes of the diver moves
Pressure increase
Pressure decreases
No change
First increases, then decrease
Density of water is
1000 gcm-3
1 kgm-3
1 gcm-3
None of these
Find out correct expression.
For a floating body, its weight w and upthrust FB on it are related as
W > FB
W < FB
W = FB
Nothing can be said
Pick out the correct expression.
P = FA
P = F + A