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December 21, 2014

December 21, 2014

Posted by **alliyu** on Monday, April 12, 2010 at 12:20pm.

- physics -
**drwls**, Monday, April 12, 2010 at 12:35pmBy "light candle" I assume you mean "light pipe". Maybe I am using a more old-fashioned term for it.

The incidence angle of the light hitting the walls of the jet from the inside must be greater than the "critical" angle for total reflection, sin^-1 (1/1.33), which is 49 degrees.

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