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

Byju's Answer

Standard XII

Chemistry

Pressure and Temperature

The height of...

Question

The height of water $ρ = 1000 k g / m^{3}$ and oil $ρ = 720 k g / m^{3}$ are 6 m and 5m inside an open barometer. What is the atmospheric pressure in kPa?

136.42 kPa

No worries! We‘ve got your back. Try BYJU‘S free classes today!

65.98 kPa

No worries! We‘ve got your back. Try BYJU‘S free classes today!

101.25 kPa

No worries! We‘ve got your back. Try BYJU‘S free classes today!

91.34 kPa

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D 91.34 kPa
We know, pressure of the oil and water will balance the atmospheric pressure
$P_{o i l} + P_{w a t e r}$ = Atmospheric pressure $(P_{a t m}$ )
$P_{a t m}$ = $720 \times g \times 6$ + $1000 \times g \times 5$
$P_{a t m}$ = 91336 Pa = 91.34 kPa

Suggest Corrections

Similar questions

Q. The height of water

ρ = 1000 k g / m^{3}

and oil

ρ = 720 k g / m^{3}

are 6 m and 5m inside an open barometer. What is the atmospheric pressure in kPa?

Q. Calculate the equivalent height of a water barometer, if the pressure recorded by mercury barometer is

60 c m

of mercury. Density of mercury is

13600 k g / m^{3}

and density of water is

1000 k g / m^{3}

Q. Water

ρ = 1000 k g / m^{3}

flows through a venturimeter with inlet diameter 80 mm and throat diameter 40 mm. The inlet and throat gauge pressures are measured to be 400 kPa and 130 kPa respectively. Assuming the venturimeter to be horizontal and neglecting friction, the inlet velocity (in m/s) is______

Water and oil are taken in two separate beakers, the density of water is 1000 kg/m $^{3}$ and the density of oil is 1500 kg/m $^{3}$ . At what depth, the pressure in oil beaker will be the same as the pressure at 150 cm depth, in the water beaker ?

Q. Water

(ρ = 1000 {kg/m}^{3})

and kerosene

(ρ = 800 {kg/m}^{3})

are filled separately in two identical cylindrical vessels having small heights. Both vessels have small holes at their bottom. The speed of the water and kerosene coming out of their holes are

v_{1}

and

v_{2}

respectively. Select the correct option.

Join BYJU'S Learning Program

Explore more

Pressure and Temperature

Standard XII Chemistry

Join BYJU'S Learning Program

The height of water ρ=1000kg/m3 and oil ρ=720kg/m3 are 6 m and 5m inside an open barometer. What is the atmospheric pressure in kPa?

The correct option is D 91.34 kPaWe know, pressure of the oil and water will balance the atmospheric pressure Poil+Pwater = Atmospheric pressure (Patm) Patm = 720×g×6 + 1000×g×5 Patm = 91336 Pa = 91.34 kPa

The height of water $ρ = 1000 k g / m^{3}$ and oil $ρ = 720 k g / m^{3}$ are 6 m and 5m inside an open barometer. What is the atmospheric pressure in kPa?

The correct option is D 91.34 kPa
We know, pressure of the oil and water will balance the atmospheric pressure
$P_{o i l} + P_{w a t e r}$ = Atmospheric pressure $(P_{a t m}$ )
$P_{a t m}$ = $720 \times g \times 6$ + $1000 \times g \times 5$
$P_{a t m}$ = 91336 Pa = 91.34 kPa