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Date May 2016 Marks available 1 Reference code 16M.1.SL.TZ0.30
Level Standard level Paper Paper 1 Time zone Time zone 0
Command term Question number 30 Adapted from N/A

Question

A black body of surface 1.0m2 emits electromagnetic radiation of peak wavelength 2.90×10–6m. Which of the following statements about the body are correct?

I.    The temperature of the body is 1000 K.
II.   The energy radiated by the body in one second is 5.7×104 J.
III.  The body is a perfect absorber of electromagnetic radiation.

A. I and II only

B. I and III only

C. II and III only

D. I, II and III

Markscheme

D

Examiners report

[N/A]

Syllabus sections

Core » Topic 8: Energy production » 8.2 – Thermal energy transfer
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