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Science-Related Homework Help Physics Topic started by: Chery on Dec 6, 2016



Title: A laser pulse of duration 25 ms has a total energy of 1.4 J. If the wavelength of this radiation is ...
Post by: Chery on Dec 6, 2016
A laser pulse of duration 25 ms has a total energy of 1.4 J. If the wavelength of this radiation is 567 nm, how many photons are emitted in one pulse? (c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ∙ s)
A) 4.0 × 1018
B) 9.9 × 1019
C) 4.8 × 1019
D) 1.6 × 1017
E) 3.2 × 1017


Title: Re: A laser pulse of duration 25 ms has a total energy of 1.4 J. If the wavelength of this radiation ...
Post by: HotMath on Dec 6, 2016
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Title: Re: A laser pulse of duration 25 ms has a total energy of 1.4 J. If the wavelength of this radiation is ...
Post by: Chery on Jan 13, 2017
Looked all over the internet for this, thank you for answering correctly


Title: Re: A laser pulse of duration 25 ms has a total energy of 1.4 J. If the wavelength of this radiation ...
Post by: Husnaa Motala on Nov 23, 2020
Thank you