हाइड्रोजन परमाणु की आंतरिक कक्षा की त्रिज्या 5.3 × 10-11 m है। n = 2 कक्षा की त्रिज्या निम्न है:

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AAI ATC Junior Executive 21 Feb 2023 Shift 2 Official Paper
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  1. 1.06 × 10-10 m
  2. 2.12 × 10-10 m
  3. 10.6 × 10-10 m
  4. 21.2 × 10-10 m

Answer (Detailed Solution Below)

Option 2 : 2.12 × 10-10 m
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दिया गया है:

हाइड्रोजन परमाणु की सबसे भीतरी कक्षा की त्रिज्या

मान लीजिए  , n=2 पर कक्षा की त्रिज्या है।

संकल्पना:

हाइड्रोजन परमाणु की सबसे बाहरी कक्षा की त्रिज्या इस प्रकार दी गई है

 

स्पष्टीकरण​:

कक्षा n=2 में त्रिज्या इस प्रकार ज्ञात की जा सकती है,

अतः, सही उत्तर विकल्प-2  है।

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