Quelpr
7 marksHeat Transfer

CAPE Physics Unit 1 · May/June 2021 · Paper 2 · Question 3(d)

Describe the mechanism of thermal conduction in metallic conductors.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 3(a)State three assumptions of the kinetic theory of ideal gases.[3 marks]
  2. 3(b)(i)Calculate the average translational kinetic energy of one molecule of Ne gas.[3 marks]
  3. 3(b)(ii)Calculate the number of molecules of Ne gas in the metal sphere.[3 marks]
  4. 3(b)(iii)Calculate the root mean square (r.m.s.) speed of the Ne molecules.[4 marks]
  5. 3(c)(i)Complete Row 3 of Table 2 by calculating and filling in the values for T⁴ / K⁴ (×10⁹).[1 mark]
  6. 3(c)(ii)On the grid provided in Figure 5 on page 17, plot a graph of P versus T⁴. Draw the line of best fit through the points.[4 marks]
  7. 3(c)(iii)Determine the gradient of the graph plotted on page 17 and hence deduce the surface area of the metal sphere.[5 marks]

More practice: the rest of this paper · more Heat Transfer questions · all CAPE Physics Unit 1 past papers