Question

In terms of Bohr radius a0, the radius of the second Bohr orbit of a hydrogen atom is given by

• A. $4a_0$
• B. $8a_0$
• C. $\sqrt 2a_0$
• D. $2a_0$

Answer 1

Answer: (A)

$4a_0$

Answer 2

As $r \, ??n^2,$ therefore, radius of 2$^nd$
Bohr's orbit = 4a$_0$