An electron of mass `9 xx 10^(-31)` kg revolves in a circle of radius 0.53 Å around the
Channel: Doubtnut
Date: 2020-08-30

An electron of mass `9 xx 10^(-31)` kg revolves in a circle of radius 0.53 Å around the nucleus of hydrogen with a velocity of `2.2 xx 10^(6) "ms"^(-1)`. Show that its angular momentum is equal to `h//2pi`, where `h` is Plank's constant of value `6.6 xx 10^(-34) Js`.