8. Estimate the angular spread of a laser beam of wavelength 693 nm due to diffraction if the beam emerges through a 3 mm diameter mirror. How large would be the diameter of this beam when it strikes a satellite 300 km above the earth?
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![8. Estimate the angular spread of a laser beam of wavelength 693 nm due to
diffraction if the beam emerges through a 3 mm diameter mirror. How large
would be the diameter of this beam when it strikes a satellite 300 km above
the earth?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4a90713a-2d06-4fa7-a197-02ffaa12ff1e%2F39190e9a-6d9a-478d-b00e-7751cbdec639%2Fd6m2x1o_processed.jpeg&w=3840&q=75)
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