Glass lenses are practically opaque to an emission source with the wavelength shorter than 400nm. (True or False)
1 answer:
Answer:
the statement is TRUE
Explanation:
Most lenses are made of glass that has a strong absorption below 400 nm,
Only special evaporation lenses are made of quartz and fused silica which has a high absorption below 200 nm.
therefore the statement is TRUE
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Have you tried to look this up on Quizlet. I just had a similar question on one on my quizzes & the whole test was on Quizlet