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If the wavelength of incident light changes from 400 nm to 300 nm, then the stopping potential for photoelectrons emitted from a surface becomes (approximately)
  • a)
    1.0 V greater
  • b)
    1.0 V smaller
  • c)
    0.5 V greater
  • d)
    0.5 V smaller
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
If the wavelength of incident light changes from 400 nm to 300 nm, th...
Stopping potential is given by
For the first case,
For ale second case,
V2 - V1 = 1.03 ≈ 1V
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If the wavelength of incident light changes from 400 nm to 300 nm, then the stopping potential for photoelectrons emitted from a surface becomes (approximately)a)1.0 V greaterb)1.0 V smallerc)0.5 V greaterd)0.5 V smallerCorrect answer is option 'A'. Can you explain this answer?
Question Description
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