A paint pigment that absorbs red light and gives off blue light
A) is fluorescent.
B) is phosphorescent.
C) is used in lasers.
D) is polarized.
E) doesn't exist.
Correct Answer:
Verified
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Q60: Fraunhofer lines are apparent in
A)absorption spectra.
B)emission spectra.
C)Doppler
Q61: Which of these lamps employs semi-conductor technology?
A)incandescent
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