PhysicsMedium183×since 2002Q6029According to Bohr's theory, the moment of momentum of an electron revolving in 4th 4^{\text {th }}4th orbit of hydrogen atom is:A2hπ2 \frac{h}{\pi}2πhBh2π\frac{h}{2 \pi}2πhChπ\frac{h}{\pi}πhD8hπ8 \frac{h}{\pi}8πhCheck answerSkip