Home PDF Store Exams G.K. Aptitude Reasoning English Computer Biology Privacy About Contact

The velocity of an electron in its fifth orbit, if the velocity of an electron in the second orbit of sodium atom (atomic number = 11) is $v$ , will be :

A. $v$

B. $\frac{22}{5} v$

C. $\frac{5}{2} v$

D. $\frac{2}{5} v$

Study and Earn Android App

Share this question with your friends

Correct Answer : D.

Comment

Also checkout

Rearrangement Set 5 MCQ Basics of Economics MCQ Microsoft Word MCQ C# Programming MCQ Steam Boilers, Engines, Nozzles & Turbines MCQ Surface Chemistry MCQ Chemistry in Service of Man MCQ Engineering Drawing MCQ Photo-Chemistry MCQ Decimal Fraction MCQ Thermo Electricity MCQ Phylum - Protozoa MCQ