MCQ
The net electric flux through a closed surface is:
- AUnity.
- BNegative.
- CPositive.
- ✓Zero.
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Reason : Superconductors repel a magnet.

$(A)$ Radius of the muonic orbit is $200$ times smaller than that of the electron
$(B)$ the speed of the $\mu ^{-1}$ in the $n^{th}$ orbit is $\frac{1}{{200}}$ times that of the election in the $n^{th}$ orbit
$(C)$ The Ionization energy of muonic atom is $200$ times more than that of an hydrogen atom
$(D)$ The momentum of the muon in the $n^{th}$ orbit is $200$ times more than that of the electron