Bohr's radius can have

a. Calculate the radius of Bohr's first orbit for hydrogen atom and the energy of electron in this orbit . b. Calculate the Bohr's radius for the fifth orbit of the hydrogen atom

Bohr's radius gives the radius of the __________ orbit.

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

Write an expression for Bohr's radius in hydrogen atom.

Write an expression for Bohr's radius in hydrogen atom.