If the radius of first Bohr' orbit be alpha_(0), then the radius of the third orbit of hydrogen would be

If the radius of first Bohr' orbit be alpha_(0), then the radius of th

1.	If the radius of first Bohr' orbit be alpha_(0), then the radius of the third orbit of hydrogen would be
Answer» `3alpha_(0)` `6alpha_(0)` `9alpha_(0)` `(1)/(3)alpha_(0)` ANSWER :C