Essay
When a metal surface is illuminated with light of wavelength 437 nm,the stopping potential for photoelectrons is 1.67 V.(c = 3.00 × 108 m/s,h = 6.626 × 10-34 J ∙ s,e = -1.60 × 10-19 C,
1 eV = 1.60 × 10-19 J,mel = 9.11 × 10-31 kg)
(a)What is the work function of the metal,in eV?
(b)What is the maximum speed of the ejected electrons?
Correct Answer:
Verified
Correct Answer:
Verified
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