4 marksPhysical Quantities
CAPE Physics Unit 1 · 2009 · Paper 2 · Question 3(c)
On the grid provided on page 9, plot a graph of PT/Ptr against Ptr, starting the Ptr scale at 0.
The mark scheme is shown once you've answered.
Practise this questionOther parts of this question
- 3(a)Calculate the centigrade temperature of the hot water.[3 marks]
- 3(b)(i)The value of Ttr is chosen to be 273.16 K. Why is this particular number used?[1 mark]
- 3(b)(ii)a)Complete Table 2 by filling in the missing values of PT/Ptr.[1 mark]
- 3(b)b)Give ONE reason why the values of PT/Ptr are NOT constant.[1 mark]
- 3(d)Read off the intercept on the PT/Ptr axis of your graph.[1 mark]
- 3(e)Using your result in (d), deduce an accurate value of the thermodynamic temperature T.[2 marks]
- 3(f)Calculate the temperature found in Part (e) on the Celsius scale.[1 mark]
More practice: the rest of this paper · more Physical Quantities questions · all CAPE Physics Unit 1 past papers