A 1.0 mW laser produces red light of wavelength 6.48 10 7 m. Calculate how many

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A 1.0 mW laser produces red light of wavelength 6.48 × 10⁻⁷ m. Calculate how many photons the laser produces per second.

To answer questions you will need these values:
Speed of light in a vacuum c = 3.00 × 10⁸ m s⁻¹
Planck constant h = 6.63 × 10⁻³⁴ J s

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Cambridge International AS And A Level Physics Coursebook

ISBN: 9781108859035

3rd Edition

Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside

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Question Posted: Oct 01, 2021 03:43 AM

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A 1.0 mW laser produces red light of wavelength 6.48 10 7 m. Calculate how many

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Ans Given that power 10 mW wavelength 648 10 7 m As we know E h hc E ...View the full answer

Cambridge International AS And A Level Physics Coursebook

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