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TIR in periscopes
From
: Digby Willard <
dwillard@MAIL.CENTRAL.STPAUL.K12.MN.US
>
Date
: Wed, 16 Feb 2000 01:33:07 -0600
Some of my texts say that right-angle prisms are used in periscopes as an
application of total internal reflection. If rumors are to be believed,
one of my prisms came from an old tank periscope.
Question: why are prisms used instead of mirrors?
Digby Willard
St. Paul Central H.S.
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