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PhysicsModern PhysicsPhotoelectric effectMedium2 minPYQ_2015
PhysicsMediummultiple choice

For photo-electric effect with incident photon wavelengthλ, the stopping potential isV0. Identify the correct variation(s) ofV0withλand1λ.

Question diagram: For photo-electric effect with incident photon wavelength λ

Options:(select one or more)

Answer:
A, C
Solution:

Stopping potential
eV0=hCλ-ϕ
HenceV0v/sλcurve will be hyperbola andV0 v/s1λcurve will be straight line with slope positive hence (A, C)

Stream:JEE_ADVSubject:PhysicsTopic:Modern PhysicsSubtopic:Photoelectric effect
2mℹ️ Source: PYQ_2015

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