Photoelectrons liberated from the cathode of a photo cell by light of wavelength 136nm are stopped effectively by a reverse potential difference of 6.6 V. Calculate Planck's constant.

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asked Feb 18, 2020 28.4k views

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Photoelectrons liberated from the cathode of a photo cell by light of wavelength 136nm are stopped effectively by a reverse potential difference of 6.6 V. Calculate Planck's constant.

Physics
middle-school

Latata asked

by Latata

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Answer: The answer is 20.6060606061

16 divided by 6.6

Step-by-step explanation:

Konstantin Labun answered Feb 23, 2020

by Konstantin Labun

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