A Blu-ray disc player uses a λ = 405mm, P = 5.00mW laser and can read 18.5ns. The energy emitted by the laser during that time is 9. 25 x 10-11 J. How many photons of laser light are emitted during one bit of data in At that time? 24.96.91.88 188 1,880 18,800,000 188,000,000 1,880,000,000 HUNING

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A Blu-ray disc player uses a λ = 405mm, P = 5.00mW laser and can read
one bit of data in At = 18.5ns. The energy emitted by the laser during that
time is 9. 25 × 10-11 J. How many photons of laser light are emitted during
that time?
24.36.31.88
188
1,880
18,800,000
188,000,000
1,880,000,000
Transcribed Image Text:A Blu-ray disc player uses a λ = 405mm, P = 5.00mW laser and can read one bit of data in At = 18.5ns. The energy emitted by the laser during that time is 9. 25 × 10-11 J. How many photons of laser light are emitted during that time? 24.36.31.88 188 1,880 18,800,000 188,000,000 1,880,000,000
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