Problem #4. An E&M wave having wave length of 560.nm hits a surface. Electrons were released...

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Answer 1

Answer #1

m cut off wavelength, no work function 2. = 560 nm=560x10? Wahe no 6.626X10-34 x 3x108 3.55x1019 J 560 109 1 ev = 1-6x1014; .

Answer 2

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