| Date | May 2014 | Marks available | 1 | Reference code | 14M.1.HL.TZ2.35 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 35 | Adapted from | N/A |
Question
A black body has absolute temperature T and surface area A. The intensity of the radiation emitted by the body is I. Another black body of surface area 2A has absolute temperature 2T. What is the intensity of radiation emitted by this second black body?
A. 4I
B. 8I
C. 16I
D. 32I
Markscheme
D
Examiners report
[N/A]
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