A 640-nm laser emits a 1-s pulse in a beam with a diameter of 1.5 mm. The

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A 640-nm laser emits a 1-s pulse in a beam with a diameter of 1.5 mm. The rms electric field of the pulse is 120 V/m. How many photons are emitted per second?

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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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Question Posted: Jun 06, 2016 06:27 AM

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A 640-nm laser emits a 1-s pulse in a beam with a diameter of 1.5 mm. The

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The laser emits a cylindrical pulse of volume V length are...View the full answer

Physics

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