Physics · May / June 2019 · Paper 12 · Question 21
5054Radiation
Which statement is correct?
- AInfrared radiation cannot travel in a vacuum.
- BInfrared radiation cannot travel in solids or in gases.
- CInfrared radiation can only travel in a vacuum.
- DInfrared radiation can travel in a vacuum and in gases.
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Correct answer: D. Infrared radiation can travel in a vacuum and in gases.
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