An electron with kinetic energy 5 eV is incident on a H-atom in its ground state. The collision
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5
Answer:
Step-by-step explanation:
in hydrogen atom E2-E1=10.2eV
since 5eV<10.2eV
The electron cannot excite the hydrogen atom.The collision must therefore be elastic.
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0
Answer:
collision is elastic......
Step-by-step explanation:
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