Sahasra Shanker
from
KV IIT, Chennai

Subject :NSO Class : Class 8

A tank 2 m high is half filled with water and then filled to the top with oil of density 0.80 g/cc. What is the pressure at the bottom of the tank due to these liquids (Take g = 10 m s^{-2})?

A1.8 × 10^{3} N m^{-2}

B0.9 × 10^{3} N m^{-2}

C1.8 × 10^{4} N m^{-2}

D0.9 × 10^{4} N m^{-2}.

why is the answer "c"

## Ans 2:

#### Edit Post

## Ans 3:

#### Edit Post

Pranav
from
JSS Public School, Bengaluru

Class : Class 10

Density of oil = 0.80 g/cc = 800 kg/m3Density of water = 1 g/cc = 1000 kg/m3Pressure of water = Height will be 1 m half filledâ¹ hdg = 1mÃ1000kg/m3Ã10m/s2 = 10000 PaPressure by oil = hdg = 1 x 800 x 10 = 8000 PaTotal pressure = 8000Pa 10000Pa = 18000Pa = 1.8Ã104N/m2

## Ans 4:

#### Edit Post

Kashish Kathuria
from
Delhi Public School, Bangalore

Class : Class 9

But let's see for nowI am Kashish

## Ans 6:

#### Edit Post

Anoushka Anbu
from
Amara Jyoti Public School, Bengaluru

Class : Class 8

Can anyone please explain this