Physics CBSE Class 12 Sample Paper for 2023 Boards - Solution

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Solutions to CBSE Sample Paper - Physics Class 12

Question 12 - Physics CBSE Class 12 Sample Paper for 2023 Boards - Solution - Solutions to CBSE Sample Paper - Physics Class 12

Last updated at Dec. 13, 2024 by

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 14 years. He provides courses for Maths, Science and Computer Science at Teachoo