Advertisements
Advertisements
प्रश्न
Calculate the pressure exerted by 0.8 m vertical length of alcohol of density 0.80 gcnr5 in SI units.
[Take g = 10 ms−2].
Advertisements
उत्तर
Vertical length of alcohol column = h = 0.8 m
Density of alcohol = ρ = 0.80 g cm −3
ρ = `(0.80xx10^6)/10^3` kgm−3
ρ = 0.80 × 1000 kgm−3
ρ = 800 kg m−3
Pressure = P = ?
p = hpg
P = 0.8 × 800 × 10
= 6400 Pa
APPEARS IN
संबंधित प्रश्न
What is the pressure exerted by 75 cm vertical column of mercury of density 13600 kgm−3 in SI units?
[Take g = 9.8 ms−2].
Calculate the equivalent height of mercury, which will exert as much pressure as 960 m of seawater of density 1040 kgm−3. The density of mercury is 13600 kgm−3.
(i) Calculate the height of a water column which will exert on its base the same
Pressure as the 70 cm column of mercury.
(ii) Will the height of the water column change if the cross-section of the water column is made wider?
What fact about liquid pressure does the following diagram in the following figure illustrate?
What do you mean by relative density?
