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PhysicsModern PhysicsAtomic structureEasy2 minPYQ_2020
PhysicsEasysingle choice
An electron with kinetic energy 10 eV is incident on a hydrogen atom in its ground state. The collision
Options:
Answer:
A
Solution:
10 eV electron cannot excite a hydrogen atom Hence collision is elastic as minimum energy required to excite is 10.2 eV. so no change in total K.E of system is possible.
Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Modern PhysicsSubtopic:Atomic structure
⏱ 2mℹ️ Source: PYQ_2020
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