Physics · May / June 2023 · Paper 21 · Question 8
5054
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The question as text
A filament lamp is arranged above a shiny metal surface, as shown in Fig. 8.1. shiny metal surface filament lamp Fig. 8.1 A student reads in a textbook that a light-emitting diode (LED) is more efficient than a filament lamp.
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Show the answer and mark scheme
8(a)(i)[1]
8(a)(ii)[1]
8(b)[2]
8(c)(i)[2]
8(c)(ii)[2]
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