Physics - Modern Physics Question with Solution | TestHub
PhysicsModern PhysicsPhotoelectric effectMedium2 minQB
PhysicsMediumsingle choice
Statement-1 : Threshold wavelength of certain metal is . Light of wavelength slightly less than is incident on the plate. It is found that after some time the emission of electrons stops
Options:
Answer:
4
Solution:
An isolated illuminated plate loses electrons and becomes positive Its growing positive potential attracts emitted electrons Escape to infinity stops at
Both statements are true and statement 2 explains statement 1, for an isolated plate
Stream:JEESubject:PhysicsTopic:Modern PhysicsSubtopic:Photoelectric effect
⏱ 2mℹ️ Source: QB
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