State the maximum kinetic energy of the emitted electrons

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Reference no: EM13184206

When radiation of a wavelength 2.45 x 10^-7 m falls on metal surface, the maximum kinetic energy of the emitted electrons is found to be 6.73 x 10^-19. What is the value in J of the work fuction of the metal. c = 2.998 x 10^8 m/s, h = 6.626 x 10^-34.

Below are the different answer choices

A. 2.64 x 10^-17

B. 1.49 x 10^-19

C. 1.38 x 10^-19

D. 1.83 x 10 ^-17

E. 8.11 x 10 -19

Reference no: EM13184206

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