Practicing Success
Practicing Success
CUET Preparation Today
The radius of innermost electron orbit of a hydrogen atom is $5.3×10^{-11} m$. What is the radius of n = 2 orbit? |
$2.12×10^{-11} m$ $4.77×10^{-10} m$ $4.77×10^{-11} m$ $2.12×10^{-10} m$ |
$2.12×10^{-10} m$ |
The correct answer is Option (4) → $2.12×10^{-10} m$ |
