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The student wears a black T‑shirt in the Sun and becomes too hot. Another student wears a white T‑shirt in the Sun and does not become as hot. Explain why.
See it on the paper →The student wears a black T‑shirt in the Sun and becomes too hot. Another student wears a white T‑shirt in the Sun and does not become as hot. Explain why.
See it on the paper →The bus gets very hot on a sunny day. State the method of thermal energy transfer between the Sun and the Earth.
See it on the paper →Which colour of outer clothing helps to keep the wearer cool on a hot, sunny day, and why is this clothing effective?
See it on the paper →white.
See it on the paper →Radiation was frequently identified as the method of thermal energy transfer between the Sun and the Earth.
— Examiner report, February/March 2022, 0654/32 Q12(c) (Cambridge)
Almost all candidates were familiar with the effect of colour on absorption of radiation from the Sun and this question was particularly well answered.
— Examiner report, May/June 2021, 0654/21 Q34 (Cambridge)
Very few responses explained that the white outer surface of the kettle is a poor emitter of thermal radiation. Most candidates appeared to be under the misapprehension that a kettle transfers thermal energy by absorption of radiation from the water, according to the colour of the kettle, suggesting that heat is reflected inwards.
— Examiner report, May/June 2021, 0654/43 Q3(a)(ii) (Cambridge)
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