We sit in the room with windows open. Then

Air pressure on the floor of the room equals the atmospheric pressure but the air pressure on the ceiling is eligible

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Air pressure is nearly the same on the floor, the walls and ceiling

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Air pressure on the floor equals the weight of the air coloumn inside the room (from floor to the ceiling) per unit area

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Air pressure on the walls is zero since the weight of air acts downward

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Solution

The correct option is B Air pressure is nearly the same on the floor, the walls and ceiling
Pressure of gas is same everywhere in the vessel.

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Similar questions

Q. The surface area of the floor of a room is

30 m^{2}

and the walls are 3m high. If the room temperature is

27^{\circ}

C and pressure is 1 atm, then find the mass of the air inside the room
[Given: Molecular weight of air = 29, 1 atm = 1.013

\times 10^{5}

Pa]

Q. The surface area of the floor of a room is

30 m^{2}

and the walls are 3m high. If the room temperature is

27^{\circ}

C and pressure is 1 atm, then find the mass of the air inside the room
[Given: Molecular weight of air = 29, 1 atm = 1.013

\times 10^{5}

Pa]

Atmospheric pressure is nearly 100KPa. How large does the air in a room exert on one side of a window of dimensions $40 c m \times 80 c m$ ?

The reason we are not crushed under the weight of air is that the pressure inside our body is equal to the atmospheric pressure.

The reason we are not crushed under the weight of air is, that the pressure inside our body is equal to the atmospheric pressure and cancels the pressure being exerted from outside.

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We sit in the room with windows open. Then

The correct option is B Air pressure is nearly the same on the floor, the walls and ceilingPressure of gas is same everywhere in the vessel.

The correct option is B Air pressure is nearly the same on the floor, the walls and ceiling
Pressure of gas is same everywhere in the vessel.