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PhysicsModern PhysicsPhotoelectric effectEasy2 minPYQ_2011

PhysicsEasysingle choice

Photoelectric emission occurs only when the incident light has more than a certain minimumNEET 2011 (Screening)

Answer:

Solution:

By the concept of threshold minimum frequency needed for photoelectric emission. $\frac{1}{2} m v^{2} v = h (v - v_{0}) \geq v_{0}$

Stream:NEETSubject:PhysicsTopic:Modern PhysicsSubtopic:Photoelectric effect

⏱ 2mℹ️ Source: PYQ_2011

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