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Physics - Modern Physics Question with Solution | TestHub

PhysicsModern PhysicsAtomic structureEasy2 minPYQ_2020

PhysicsEasysingle choice

A photon of energy $15 eV$ collides with $H$ -atom. Due to this collision, $H$ -atom gets ionized. The maximum kinetic energy of the emitted electron is

Options:

Answer:

Solution:

Energy of photon = ionization energy $+ K E_{m a x}$

$∴ {(K E)}_{m a x} = 15 e V - 13.6 e V = 1.4 e V$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Modern PhysicsSubtopic:Atomic structure

⏱ 2mℹ️ Source: PYQ_2020

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