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Evan Toh
Dec 1, 20230 min read
Sketching P-V, P-1/V and PV-P graph
Pressure of a fixed mass of gas, P, is inversely proportional to the volume of the gas, V, when the temperature is held constant. P...
Evan Toh
Dec 1, 20231 min read
Find atmospheric pressure using 2 scenarios of capillary tube with mercury horizontal and vertical
A uniform capillary tube closed at one end, contained air trapped by a thread of mercury 85 mm long. When the tube was held horizontal,...
Evan Toh
Dec 1, 20231 min read
N2007P1Q9 Pure Physics – Energy needed to pump water up a building
Answer: Option B Since water will naturally reach 40m high from the bottom of the apartment, you only need to pump the water up by a...
Evan Toh
Dec 1, 20231 min read
Relationship between Pressure and Length of a Cube
Answer: Option A
Evan Toh
Dec 1, 20231 min read
Pressure – Question on Manometer
Solutions: Option A
Evan Toh
Dec 1, 20231 min read
Liquid pressure – U-tube manometer question
A U-tube with 30 cm of water is set up vertically and 12 cm of olive oil is poured carefully into the left-hand limb of the tube as shown...
Evan Toh
Dec 1, 20231 min read
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