Yokka Stars

Task id17334

Task id17334

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Product description

In SI experiments. Vavilov, according to visual observation of photon fluctuations, the intensity of green light (A = 500 nm) was 2.1·106-13 W/m2. The diameter of the pupil adapted to complete darkness is 7 mm. How many photons were observed in 1 s?

Additional information

Detailed solution. Format gif