A Laser Produces 3

Question 13

Multiple Choice

A laser produces 3.0 W of light that has a wavelength of 600 nm. How many photons per second are produced?

A) 7.3 × 10¹⁵
B) 4.2 × 10¹⁷
C) 1.0 × 10¹⁷
D) 3.0 × 10¹⁸
E) 9.1 × 10¹⁸

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