Physics Class 12
Solutions to CBSE Sample Paper - Physics Class 12

The radius of the innermost electron orbit of a hydrogen atom is 5.3×10 –11 m. The radius of the n =3 orbit is

 

(i) 1.01 x 10 -10 m

(ii) 1.59 X 10 -10 m

(iii) 2.12 x 10 -10 m

(iv) 4.77 X 10 -10 m

 

Answer:

(iv) 4.77 X 10 -10 m

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.