A red laser at 650 nm and a blue laser at 450 nm emit photons at the

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A red laser at 650 nm and a blue laser at 450 nm emit photons at the same rate. How do their total power outputs compare?

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Essential University Physics

ISBN: 978-0321976420

3rd Edition Volume 2

Authors: Richard Wolfsonby

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Question Posted: Mar 02, 2020 08:42 AM

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A red laser at 650 nm and a blue laser at 450 nm emit photons at the

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Using cf E hf where E energy h planks constant f frequency c speed of light wavelength the ratio of ...View the full answer

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