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Question: Answered & Verified by Expert
Light of wavelength 400 nm is incident continuously on a Caesium ball (work function 1.9 eV ). The maximum potential to which the ball will be charged is
PhysicsDual Nature of MatterNEET
Options:
  • A 3.1 V
  • B 1.2 V
  • C zero
  • D infinite
Solution:
2521 Upvotes Verified Answer
The correct answer is: 1.2 V
eVs=124004000 eV-1.9 eV =3.1-1.9 eV

eVs=1.2 eV

Vs=1.2 V

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