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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is air pressure?
๐ก Hint: Think about what air does to objects around us.
Question 2
Easy
Name the SI unit for air pressure.
๐ก Hint: It starts with 'P' and is named after a physicist.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the SI unit of air pressure?
- Bar
- Pascal
- Newton
๐ก Hint: It starts with a 'P' and is linked to a famous physicist.
Question 2
True or False: Air pressure increases with altitude.
- True
- False
๐ก Hint: Consider what happens when you climb a tall mountain.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given the air density at sea level is 1.225 kg/mยณ, calculate the air pressure at an altitude of 4000 meters.
๐ก Hint: Remember to use the air density provided and apply it into the formula.
Question 2
If a mercury barometer shows 760 mm (0.76 meters) of mercury, what is the air pressure in Pascals? (Density of mercury = 13600 kg/mยณ)
๐ก Hint: Plug in the values into the formula and calculate as you did before.
Challenge and get performance evaluation