Theory: answer each printed part. For drawings, upload a clear photo of your sketch on the supplied figure; show working and units for calculations.
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A 1.0 m vertical tube is sealed at its base and open at its other end. Its base area is 4.0 × 10⁻⁴ m². It is filled with liquid of density 1.4 × 10⁴ kg/m³. Atmospheric pressure is 1.0 × 10⁵ Pa.
Using Fig. 4.1, calculate the total pressure in the liquid at the bottom of the tube.
A 1.0 m vertical tube is sealed at its base and open at its other end. Its base area is 4.0 × 10⁻⁴ m². It is filled with liquid of density 1.4 × 10⁴ kg/m³. Atmospheric pressure is 1.0 × 10⁵ Pa.
Fig. 4.1
Using Fig. 4.1, calculate the total pressure in the liquid at the bottom of the tube.
Answer guidance
Using You must use the thing it names. An answer that reaches the right value another way may not score.
[3 marks]
(a)(ii)
Using Fig. 4.1, calculate the force on the inside surface of the tube’s bottom.
Answer guidance
Using You must use the thing it names. An answer that reaches the right value another way may not score.
[2 marks]
(b)(i)Read question and case materials as text
Text can be resized with your browser. Refer to the original figures below for diagrams and their layout.
A 1.0 m vertical tube is sealed at its base and open at its other end. Its base area is 4.0 × 10⁻⁴ m². It is filled with liquid of density 1.4 × 10⁴ kg/m³. Atmospheric pressure is 1.0 × 10⁵ Pa.
A glass sheet covers the open end of the tube, which is inverted in a container of the dense liquid as in Fig. 4.2. Describe what happens in the inverted tube when the sheet is removed.
A glass sheet covers the open end of the tube, which is inverted in a container of the dense liquid as in Fig. 4.2. Describe what happens in the inverted tube when the sheet is removed.
Fig. 4.2
Answer guidance
Describe Say what happens, in order. Reasons are not required unless the question also asks why.
[3 marks]
(b)(ii)
Using Fig. 4.2, describe the measurement made with this apparatus and how it is used to calculate atmospheric pressure. You may draw a diagram.
Answer guidance
Using You must use the thing it names. An answer that reaches the right value another way may not score.
[2 marks]
5054/22/O/N/23Cambridge O Level Physics 5054 · Oct/Nov 2023 · Paper 2 variant 2 · Question 4