the threshold frequency of cesiummetal is 4.38 x 104 Hz, calculate the kinetic energy greof an electron ejected from the surface of cesiummcn =metal when it is irradiated with light of wavelength n4-400.0 nm.dongSA G HUGI4-30. The threshold frequency of a metal can be of25ndetermined from measurements of the speed of 4-the ejected electrons. Electrons were ejected from aWmetal with a speed of 5.00 x 103 m.s1 when irradiatedby light having a wavelength of 390.0 nm. Determinethe threshold frequency of this metal.OSe4919 tinrecore tsprG qoctDE BROGLIE WAVELENGTHSpnolod vldsdoBroglie wavelength of a proton

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Asked Sep 25, 2019
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#30 how to find threshold frequency given speed and wavelength? 

the threshold frequency of cesium
metal is 4.38 x 104 Hz, calculate the kinetic energy gre
of an electron ejected from the surface of cesium
mc
n =
metal when it is irradiated with light of wavelength n
4-
400.0 nm.
dong
SA G HUGI
4-30. The threshold frequency of a metal can be of
25
n
determined from measurements of the speed of 4-
the ejected electrons. Electrons were ejected from a
W
metal with a speed of 5.00 x 103 m.s1 when irradiated
by light having a wavelength of 390.0 nm. Determine
the threshold frequency of this metal.O
Se
4
919 tinrecore tsprG qoc
t
DE BROGLIE WAVELENGTHSpnolod vldsdo
Broglie wavelength of a proton
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the threshold frequency of cesium metal is 4.38 x 104 Hz, calculate the kinetic energy gre of an electron ejected from the surface of cesium mc n = metal when it is irradiated with light of wavelength n 4- 400.0 nm. dong SA G HUGI 4-30. The threshold frequency of a metal can be of 25 n determined from measurements of the speed of 4- the ejected electrons. Electrons were ejected from a W metal with a speed of 5.00 x 103 m.s1 when irradiated by light having a wavelength of 390.0 nm. Determine the threshold frequency of this metal.O Se 4 919 tinrecore tsprG qoc t DE BROGLIE WAVELENGTHSpnolod vldsdo Broglie wavelength of a proton

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The kinetic energy of the elec...

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1 -mv2 2 (9.11x103kg)5.00x10 m/s) KE 2 KE 1.14x1019Kg.m2/s' 2 3.00x10 m/s 3.9x107m E hv (6.626x10"m2 kg / s)x| -5.10x101Kg.m2/s' -19-

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