If you shine light with a wavelength of 153 nm on Potassium, what is the velocity of the electrons being emitted. Provide your answer in units of 105 m/s and round it off to two decimal places, i.e. the nearest hundredths.
If you shine light with a wavelength of 153 nm on Potassium, what is the velocity of the electrons being emitted. Provide your answer in units of 105 m/s and round it off to two decimal places, i.e. the nearest hundredths.
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Transcribed Image Text:Given the work functions for some metals:-
Aluminum-D4.08eV, Beryllium=5.0eV, Cadmium%3D4.07eV, Calcium32.9eV, Carbon3D4.81eV,
Cesium=2.1eV, Cobalt=5.0eV, Copper3D4.7eV, Gold=5.1eV, Iron%3D4.5eV, Lead%-4.14eV,
Magnesium=3.68€V, Mercury=D4.5eV, Nickel=5.01eV, Niobium=4.3eV, Platinum=6.35eV,
Potassium=2.3eV, Selenium=5.11eV, Silver=4.73eV, Sodium=2.28eV, Uranium3D3.6eV, and Zinc3D
4.3eV.
If you shine light with a wavelength of 153 nm on Potassium, what is the velocity of
the electrons being emitted. Provide your answer in units of 105 m/s and round it off to two
decimal places, i.e. the nearest hundredths.
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