| Date | November 2016 | Marks available | 1 | Reference code | 16N.1.HL.TZ0.14 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 0 |
| Command term | Question number | 14 | Adapted from | N/A |
Question
A point source of light of amplitude A0 gives rise to a particular light intensity when viewed at a distance from the source. When the amplitude is increased and the viewing distance is doubled, the light intensity is doubled. What is the new amplitude of the source?
A. 2A0
B. 2\(\sqrt 2 \) A0
C. 4A0
D. 8A0
Markscheme
B
Examiners report
[N/A]
Syllabus sections
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