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Atomic and Nuclear Physics — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsAtomic and Nuclear Physics1 Mark
Question

When hydrogen atom is in its first excited level, its radius is .... its ground state radius

(a) Half

(b) Same

(c) Twice

(d) Four times
✓

Answer

(b) Same

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