Multiple Choice
A laser used in DVD players has a wavelength of 405 nm.What is the energy of this light in joules?
A) 4.91 x 10-28 J
B) 4.91 x 10-19 J
C) 8.05 x 10-32 J
D) 8.05 x 10-23 J
E) 2.98 x 10-48 J
Correct Answer:
Verified
Correct Answer:
Verified
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