When ultraviolet light with a wavelength of
343nm
falls on a certain metal surface, the maximum kinetic energy of the emitted photoelectrons is measured to be
1.76\times 10^(-19)J
. How much energy, in Joule, does an electron have to gain in order to escape from the metal surface? Exponential format with 3 SF.

Question

When ultraviolet light with a wavelength of

343nm

falls on a certain metal surface, the maximum kinetic energy of the emitted photoelectrons is measured to be

1.76\times 10^(-19)J

. How much energy, in Joule, does an electron have to gain in order to escape from the metal surface? Exponential format with 3 SF.

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