A surface has a work function 1.70 eV and has light of wavelength 400 nm shone on it. What is the maximum speed of the photoelectrons emitted? A)1.0 × 10⁶ m/s B)1.3 × 10⁶ m/s C)7.0 × 10⁵ m/s D)7.7 × 10⁵ m/s E)3.5 × 10⁶ m/s

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The Answer of A surface has a work function 1.70 eV and has light of wavelength 400 nm shone on it. What is the maximum speed of the photoelectrons emitted? A)1.0 × 10⁶ m/s B)1.3 × 10⁶ m/s C)7.0 × 10⁵ m/s D)7.7 × 10⁵ m/s E)3.5 × 10⁶ m/s

A Surface Has a Work Function 1