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5.6.163 - Wien’s law

Syllabus
2021
Objective
5.6.163
Level
A2

- Wien’s law

Use Wien's law λmaxT = 2.898 × 10^−3 m K for black-body radiators.

Use - wien’s law to connect the rule to the data and decision in the question.

This matters because - wien’s law determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply - wien’s law to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: - Wien’s law is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.

ConceptA-Level Edexcel Physics A2