Physics, 10.06.2021 19:00 nehakarakkattu
A laser beam has a wavelength of 633 nm and a power of 0.500 mW spread uniformly over a circle 1.20 mm in diameter. This beam falls perpendicularly on a perfectly reflecting piece of paper having twice the diameter of the laser beam and a mass of 1.50 mg
Required:
a. What is the frequency of the light in this laser beam?
b. What is the energy of a photon of this laser?
c. What is the momentum of a photon of this laser?
d. What is the amplitude of the electric field in this laser beam?
e. What is the amplitude of the magnetic field in this laser beam?
f. What acceleration does the laser beam give to the paper?
Answers: 1
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A laser beam has a wavelength of 633 nm and a power of 0.500 mW spread uniformly over a circle 1.20...
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