A 1.0 mW laser produces red light of wavelength 6.48 10 7 m. Calculate how many
Question:
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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Ans Given that power 10 mW wavelength 648 10 7 m As we know E h hc E ...View the full answer
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Related Book For
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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