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2016 · M/J · 5054/11 | Q18

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CIE-5054-2016-MJ-p11 · Question 18

May/June 2016 Physics 5054/11: 40 multiple-choice questions, one mark each. No mark is deducted for a wrong answer. Electronic calculators may be used.
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18 Which statement about thermal radiation is correct? A In a vacuum, thermal radiation travels at the speed of light. B Thermal radiation is a longitudinal wave. C Thermal radiation travels as an ultra-violet wave. D White surfaces are better emitters of thermal radiation than black surfaces.

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5054/11/M/J/16Cambridge O Level Physics 5054 · May/June 2016 · Paper 1 variant 1 · Question 18