Mathematics, 11.02.2021 01:20 syrai1254
15. The intensity of light at its source is 100%.
The intensity, I, at a distance d centimetres from
the source is given by the formula I = 100d-2.
Use the formula to determine the intensity of
the light 23 cm from the source.
Answers: 1
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15. The intensity of light at its source is 100%.
The intensity, I, at a distance d centimetres fro...
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