SAMPLE LESSONS > O LEVEL PRESSURE
MANOMETER
For maximum learning experience, download the notes and watch the video lessons.
Remember to scroll down for in-depth learning via the worked examples.
WORKED EXAMPLES
EASY
Show that the atmospheric pressure at sea level is 1.03 x 10 5 Pa. Take the height of the mercury as 76 cm Hg and the density of mercury as 1.36 x 104 kg/m³.
Answer
MEDIUM
The diagram shows a manometer which is filled with mercury. At one end of the manometer, a gas supply is connected. T³ake the atmospheric pressure at sea level as 1.03 x 105 Pa and the density of mercury is 1.36 x 104 kg/m³.
a) Calculate the pressure at A, B, C and D in units of cm Hg.
b) Calculate the pressure at A, B, C and D in units of Pa.
c) What is the pressure of the gas supply?
Answer
The lessons and resources above are just the tip of the iceberg.
Nothing is better than tasting Physics Academy’s live lessons & accessing the full version of our digital resources. Sign Up for a FREE Trial Class & Experience the Best Physics Lesson Yourself!
START YOUR FREE TRIAL
Mr. Bryan Lai
FOUNDER OF PHYSICS ACADEMY
Over the past 15 years, my students remember me as the “Go-To” Master Physics Tutor who has consistently helped over 1,280 students achieved Distinctions for Secondary & JC A Level in just 6-9 Months, regardless of their current exam grades.
All thanks to my Physics Prof Learning System which allow students to learn Physics 24/7 anytime, anywhere! By combining Weekly Classroom Lessons, Digital Lessons, Physics Compendium (AKA Physics Bible), and FREE Consultations. I’ve helped my students clarify all their doubts & skyrocket their results in a very short time.
Please fill in your details.