Question

The atmospheric pressure at ___is 100,000 pascal.
(A) 10.34m
(B) torcellian
(C) sea level
(D) none

Answer 1

Hint: The air around you has weight, and it presses against everything it touches. That pressure is called atmospheric pressure, or air pressure. It is the force exerted on a surface by the air above it as gravity pulls it to Earth. Atmospheric pressure is commonly measured with a barometer. In a barometer, a column of mercury in a glass tube rises or falls as the weight of the atmosphere changes.

Complete step by step solution : The depth (distance from top to bottom) of the atmosphere is greatest at sea level and decreases at higher altitudes. With greater depth of the atmosphere, more air is pressing down from above. Therefore, air pressure is greatest at sea level and falls with increasing altitude.
So, the atmospheric pressure at sea level is 100000 pascal,

Atmospheric air pressure is often given in millibars where standard sea level pressure is defined as 1000 mbar, 100 (kPa), or 1 bar.

Note: The atmospheric pressure at sea level is high because Most gas molecules in the atmosphere are pulled close to Earth's surface by gravity, so gas particles are denser near the surface. With greater depth of the atmosphere, more air is pressing down from above. Therefore, air pressure is greatest at sea level and falls with increasing altitude.