CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Effect of Pressure on Matter

The barometri...

Question

The barometric height of a mercury barometer at sea level is 76 cm. Calculate the atmospheric pressure at sea level (density of mercury =13600 kg/m³and g=9.8 m/s²)

Open in App

Solution

Dear student

$p r e s s u r e = p r e s s u r e a t t h e b o t t o m o f b a r r o m e t e r b y h e i g h t o f 76 c m o f H g p r e s s u r e = h ρ g h e r e h = 76 c m = 0.76 m ρ = 13.6 * 10^{3} k g / m^{3} g = 9.8 m / s^{2} s o P = 0.76 * 13.6 * 10^{3} * 9.8 = 1.01 * 10^{5} N / m^{2}$

Suggest Corrections

thumbs-up

0

Similar questions

Q. Height of a mercury column is given as 76 cm of Hg in a barometer. Find the height of the column of a liquid of density 1.2 g/cc would be neccessary to balance atmospheric pressure
Given: Density of mercury = 13600 kg/

m^{3}

Q. The column of mercury in a barometer is

76 m m

of Hg. Calculate the atmospheric pressure if the density of mercury =

13600 k g m^{- 3}

g = 10 m s^{- 2}

)

Q. Atmospheric pressure at sea level is ___ cm of the mercury column.

The normal atmospheric pressure is 76 CM of mercury. Calculate the pressure in SI units. Density of Hg = 13600 kg/m3 g =10

Q. The height of a mercury barometer is

75 cm

at sea level and

50 cm

at the top of a hill. Ratio of density of mercury to that of air is

10^{4}

. The height of the hill is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Can Matter Change Its State?

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Effect of Pressure on Matter

Standard VII Chemistry

Join BYJU'S Learning Program

CrossIcon