The velocity of an electron in the first Bohr orbit

PHYSICS · Single correct · CBSE · Physics · Atoms · Atoms

Problem

The velocity of an electron in the first Bohr orbit, compared with that of light, is about (1)

\frac{1}{300}

(2)

\frac{1}{500}

(3)

\frac{1}{137}

(4)

\frac{1}{187}