Verified Solution • 2025–26 Session moderate

QJEEM22Phd817: JEE Main 2022 Physics - Class 12 JEEM22Phd817 Solution: The momentum of an electron revolving in orbit is given by :…

The momentum of an electron revolving in nth \mathrm{n}^{\text {th }} orbit is given by :

(Symbols have their usual meanings)

Multiple Choice Options

  • A nh2πr\frac{\mathrm{nh}}{2 \pi \mathrm{r}}
  • B nh2r\frac{n h}{2 r}
  • C nh2π\frac{\mathrm{nh}}{2 \pi}
  • D 2πrnh\frac{2 \pi r}{\mathrm{nh}}

Step-by-Step Verified Solution

∵\because mvr=nh2πmvr = {{nh} \over {2\pi }}

⇒mv=nh2πr\Rightarrow mv = {{nh} \over {2\pi r}}

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