SATHEE: Dual Nature Of Light Question 201

Dual Nature Of Light Question 201

Question: Silver has a work function of 4.7 eV. When ultraviolet light of wavelength 100 nm is incident upon it, a potential of 7.7 volt is required to stop the photoelectrons from reaching the collector plate. Find the potential (in volt) required to stop photo electrons when light of wavelength 200 nm is incident upon silver.

Solution:

Answer: 1.50

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Dual Nature Of Light Question 201

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