IB Physics HL B 1 10 Thermal Transfer Mechanisms Questions

Practise HL thermal-transfer mechanisms through conduction, convection, radiation and energy-loss analysis in exam questions.

Exam points

Analyse conduction, convection and radiation losses in ice samples, pipes, hot rocks and laboratory systems.
Explain how material structure and surface pathways alter thermal transfer through air, solids and radiation.

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Study B.1.10—Thermal transfer mechanisms conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

[Maximum number: 3]

The radioactive nuclide beryllium-10 (Be-10) undergoes beta minus ( $\beta$ -) decay to form a stable boron (B) nuclide.

(a)

An ice sample is moved to a laboratory for analysis. The temperature of the sample is $-20^{\circ} \mathrm{C}$ .

[ 3 ]

(i)

State what is meant by thermal radiation.

[ 1 ]

(ii)

The temperature in the laboratory is higher than the temperature of the ice sample. Describe one other energy transfer that occurs between the ice sample and the laboratory.

[ 2 ]

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IB Physics HL B 1 10 Thermal Transfer Mechanisms Questions question 1

Question (a)

Question (i)

Question (ii)