Other uses for polaroid cameras

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1 total messages Started by Raymond Rogoway Fri, 16 Sep 1994 05:39

#1294

Author: Raymond Rogoway
Date: Fri, 16 Sep 1994 05:39

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In addition to the standard use for strobe photography there is another use
for a polaroid camera. If you have your students look through a piece of
diffraction grating at a hydrogren spectrum tube they will see 5 lines. They
then tape the grating over the lens of a polaroid camera. I use black and
white film, type 107. 6 lines show up. The extra line is in the uv. They can
calculate wavelengths and the Rydberg Constant if they know the grating
distance and the distance from the lens to the spectrum tube.

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