Pressure in Gases and Atmospheric Pressure (Leaving Cert Physics): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What is the standard value for atmospheric pressure at sea level?
What is the standard value for atmospheric pressure at sea level?
Pa
What instrument is used to measure atmospheric pressure?
What instrument is used to measure atmospheric pressure?
Barometer
How does atmospheric pressure change as altitude increases?
How does atmospheric pressure change as altitude increases?
It decreases
In what direction does gas pressure act on surfaces?
In what direction does gas pressure act on surfaces?
Perpendicular to surfaces
At any given point in a gas, how does pressure vary with direction?
At any given point in a gas, how does pressure vary with direction?
Equal in all directions
What type of weather do high-pressure systems typically bring?
What type of weather do high-pressure systems typically bring?
Clear, stable weather
Which formula is used to calculate the force exerted by atmospheric pressure on a surface?
Which formula is used to calculate the force exerted by atmospheric pressure on a surface?
How does the density of gases compare to liquids?
How does the density of gases compare to liquids?
Much smaller than liquids
In a small gas container, how is pressure distributed?
In a small gas container, how is pressure distributed?
Essentially uniform throughout
The formula applies to gases when what condition is met?
The formula applies to gases when what condition is met?
Density remains constant
What force does atmospheric pressure exert on a 2.0 m² window?
What force does atmospheric pressure exert on a 2.0 m² window?
N