A LASIK vision correction system uses a laser that emits 10-ns-long pulses of light, each with 2.5 mJ of energy. The laser is focused to a 0.85-mm- diameter circle. Part A What is the average power of each laser pulse? Express your answer using two significant figures. P = 2.5x105 W Submit Previous Answers Part B Correct What is the electric field strength of the laser light at the focus point? Express your answer using two significant figures. ΜΕ ΑΣΦ VAΣ+ ? хахь √x x x x.10" E-5.66 101 You have already submitted this answer. Enter a new answer. No credit lost. Try again. Submit Previous Answers Request Answer N/C

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Chapter16: Electromagnetic Waves
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A LASIK vision correction system uses a laser that
emits 10-ns-long pulses of light, each with 2.5 mJ
of energy. The laser is focused to a 0.85-mm-
diameter circle.
Part A
What is the average power of each laser pulse?
Express your answer using two significant figures.
P = 2.5x105 W
Submit
Previous Answers
Part B
Correct
What is the electric field strength of the laser light at the focus point?
Express your answer using two significant figures.
ΜΕ ΑΣΦ
VAΣ+
?
хахь
√x x x
x.10"
E-5.66 101
You have already submitted this answer. Enter a new answer.
No credit lost. Try again.
Submit
Previous Answers Request Answer
N/C
Transcribed Image Text:A LASIK vision correction system uses a laser that emits 10-ns-long pulses of light, each with 2.5 mJ of energy. The laser is focused to a 0.85-mm- diameter circle. Part A What is the average power of each laser pulse? Express your answer using two significant figures. P = 2.5x105 W Submit Previous Answers Part B Correct What is the electric field strength of the laser light at the focus point? Express your answer using two significant figures. ΜΕ ΑΣΦ VAΣ+ ? хахь √x x x x.10" E-5.66 101 You have already submitted this answer. Enter a new answer. No credit lost. Try again. Submit Previous Answers Request Answer N/C
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