Task id17313
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- Physics
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Task id17313
The eye in the dark is highly sensitive, perceiving a light signal containing at least 60 photons per second at a wavelength of 555 nm. What is the intensity of the wave? What is the power of the source if it is located 10 km from the eye? The diameter of the pupil in the dark is 8 mm.
Additional information:
Detailed solution. Format gif
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